IOTA/IOTA-ES occultation update for (1754) Cunningham / TYC 5806-00931-1 event on 2024 Dec 11, 00:54 UT Visible from Summary ------- On 2024 Dec 11 UT, the 80.005 km diameter asteroid (1754) Cunningham will occult a 11.6 mag star in the constellation Aquarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.77 mag to 16.36 mag (the magnitude of the asteroid) for at most 3.160 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The event at a glimpse ---------------------- * Rank: 100 * date and approx. time of event: 2024 Dec 11, 00:49 - 2024 Dec 11, 00:58 * geocentric midpoint of event [JD]: 2460655.53756250 * magnitude of target star: 11.60 * magnitude drop [mag]: 4.77 * estimated maximum duration [s]: 3.160 * Moon: 75 % sunlit, 49° distance * Sun: 72° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 82 * 1 sigma uncertainty interval [path widths]: +/- 0.07 * 1 sigma uncertainty interval [seconds]: +/- 1.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.013, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.013", 0.001", 82°) * approx speed of asteroid's shadow [km/s]: 25.3480 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5806-00931-1 by 1754 Cunningham on 2024 Dec 11 Centre Star Star Sun Path Limits Error Limits Alt E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 Crn o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude 152 0 0 - 0 16 52 0 50 1.2 1 102 64 - 0 39 38 0 5 56 - 0 42 35 0 8 54 .... 153 0 0 - 0 28 49 0 50 1.3 2 102 64 - 0 51 34 - 0 6 2 - 0 54 31 - 0 3 5 -0.14 154 0 0 - 0 40 30 0 50 1.5 3 102 65 - 1 3 13 - 0 17 44 - 1 6 10 - 0 14 46 -0.18 155 0 0 - 0 51 53 0 50 1.8 4 102 65 - 1 14 35 - 0 29 8 - 1 17 32 - 0 26 11 -0.19 156 0 0 - 1 2 59 0 50 2.2 5 101 66 - 1 25 40 - 0 40 15 - 1 28 37 - 0 37 18 -0.21 157 0 0 - 1 13 47 0 50 2.6 6 101 67 - 1 36 27 - 0 51 5 - 1 39 24 - 0 48 8 -0.21 158 0 0 - 1 24 18 0 50 3.1 7 101 67 - 1 46 57 - 1 1 37 - 1 49 53 - 0 58 40 -0.22 159 0 0 - 1 34 31 0 50 3.7 8 101 68 - 1 57 9 - 1 11 51 - 2 0 5 - 1 8 54 -0.22 160 0 0 - 1 44 26 0 50 4.4 9 101 68 - 2 7 3 - 1 21 46 - 2 9 59 - 1 18 50 -0.22 161 0 0 - 1 54 2 0 50 5.2 10 101 68 - 2 16 38 - 1 31 24 - 2 19 34 - 1 28 28 -0.23 162 0 0 - 2 3 21 0 50 6.0 11 101 69 - 2 25 56 - 1 40 44 - 2 28 51 - 1 37 47 -0.23 163 0 0 - 2 12 21 0 50 6.9 12 101 69 - 2 34 55 - 1 49 45 - 2 37 50 - 1 46 48 -0.23 164 0 0 - 2 21 2 0 50 7.9 13 101 69 - 2 43 35 - 1 58 27 - 2 46 30 - 1 55 31 -0.23 165 0 0 - 2 29 24 0 50 9.0 14 101 69 - 2 51 57 - 2 6 50 - 2 54 52 - 2 3 54 -0.23 166 0 0 - 2 37 28 0 50 10.1 15 101 70 - 2 59 59 - 2 14 55 - 3 2 55 - 2 11 59 -0.23 167 0 0 - 2 45 13 0 50 11.4 16 101 70 - 3 7 43 - 2 22 40 - 3 10 38 - 2 19 44 -0.23 168 0 0 - 2 52 38 0 50 12.7 17 101 70 - 3 15 8 - 2 30 7 - 3 18 3 - 2 27 11 -0.24 169 0 0 - 2 59 44 0 50 14.1 18 101 70 - 3 22 13 - 2 37 14 - 3 25 8 - 2 34 18 -0.24 170 0 0 - 3 6 31 0 50 15.5 19 101 70 - 3 28 59 - 2 44 1 - 3 31 54 - 2 41 6 -0.24 171 0 0 - 3 12 59 0 50 17.1 20 101 70 - 3 35 26 - 2 50 29 - 3 38 21 - 2 47 34 -0.24 172 0 0 - 3 19 6 0 50 18.7 21 101 69 - 3 41 33 - 2 56 38 - 3 44 28 - 2 53 43 -0.24 173 0 0 - 3 24 55 0 50 20.4 22 101 69 - 3 47 20 - 3 2 27 - 3 50 15 - 2 59 31 -0.24 174 0 0 - 3 30 23 0 50 22.1 23 101 69 - 3 52 48 - 3 7 56 - 3 55 43 - 3 5 0 -0.24 175 0 0 - 3 35 31 0 50 24.0 24 101 69 - 3 57 56 - 3 13 5 - 4 0 50 - 3 10 10 -0.24 176 0 0 - 3 40 20 0 50 25.9 25 101 68 - 4 2 44 - 3 17 54 - 4 5 38 - 3 14 59 -0.24 177 0 0 - 3 44 48 0 50 27.8 26 101 68 - 4 7 12 - 3 22 23 - 4 10 6 - 3 19 28 -0.24 178 0 0 - 3 48 57 0 50 29.9 27 101 67 - 4 11 20 - 3 26 32 - 4 14 14 - 3 23 37 -0.24 179 0 0 - 3 52 45 0 50 32.0 28 101 67 - 4 15 8 - 3 30 20 - 4 18 2 - 3 27 26 -0.24 -180 0 0 - 3 56 13 0 50 34.2 29 101 66 - 4 18 35 - 3 33 49 - 4 21 29 - 3 30 54 -0.24 -179 0 0 - 3 59 21 0 50 36.4 30 101 66 - 4 21 43 - 3 36 57 - 4 24 37 - 3 34 2 -0.24 -178 0 0 - 4 2 8 0 50 38.8 31 101 65 - 4 24 30 - 3 39 45 - 4 27 24 - 3 36 50 -0.24 -177 0 0 - 4 4 35 0 50 41.2 32 101 65 - 4 26 56 - 3 42 12 - 4 29 50 - 3 39 17 -0.24 -176 0 0 - 4 6 42 0 50 43.6 33 101 64 - 4 29 3 - 3 44 19 - 4 31 57 - 3 41 24 -0.24 -175 0 0 - 4 8 28 0 50 46.1 34 101 63 - 4 30 49 - 3 46 5 - 4 33 43 - 3 43 11 -0.24 -174 0 0 - 4 9 54 0 50 48.7 35 101 63 - 4 32 14 - 3 47 31 - 4 35 8 - 3 44 36 -0.24 -173 0 0 - 4 10 59 0 50 51.4 36 101 62 - 4 33 19 - 3 48 36 - 4 36 13 - 3 45 42 -0.24 -172 0 0 - 4 11 43 0 50 54.1 37 101 61 - 4 34 3 - 3 49 21 - 4 36 57 - 3 46 26 -0.24 -171 0 0 - 4 12 7 0 50 56.9 38 101 61 - 4 34 27 - 3 49 45 - 4 37 21 - 3 46 50 -0.24 -170 0 0 - 4 12 10 0 50 59.8 39 101 60 - 4 34 31 - 3 49 48 - 4 37 25 - 3 46 53 -0.24 -169 0 0 - 4 11 53 0 51 2.7 40 102 59 - 4 34 13 - 3 49 30 - 4 37 7 - 3 46 36 -0.24 -168 0 0 - 4 11 15 0 51 5.6 41 102 58 - 4 33 35 - 3 48 52 - 4 36 29 - 3 45 58 -0.25 -167 0 0 - 4 10 16 0 51 8.7 42 102 57 - 4 32 37 - 3 47 53 - 4 35 31 - 3 44 59 -0.25 -166 0 0 - 4 8 57 0 51 11.8 43 102 57 - 4 31 18 - 3 46 34 - 4 34 12 - 3 43 39 -0.25 -165 0 0 - 4 7 17 0 51 14.9 44 102 56 - 4 29 38 - 3 44 53 - 4 32 32 - 3 41 59 -0.25 -164 0 0 - 4 5 16 0 51 18.1 45 102 55 - 4 27 37 - 3 42 52 - 4 30 31 - 3 39 58 -0.25 -163 0 0 - 4 2 55 0 51 21.4 46 102 54 - 4 25 16 - 3 40 31 - 4 28 10 - 3 37 36 -0.25 -162 0 0 - 4 0 13 0 51 24.7 47 103 53 - 4 22 35 - 3 37 48 - 4 25 29 - 3 34 54 -0.25 -161 0 0 - 3 57 10 0 51 28.1 48 103 52 - 4 19 32 - 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99 0 0 9 2 22 0 55 53.6 61 226 -10 8 38 53 9 25 53 8 35 50 9 28 57 -0.24 - 98 0 0 9 21 50 0 55 57.7 60 227 -11 8 58 21 9 45 22 8 55 18 9 48 26 -0.24 - 97 0 0 9 41 24 0 56 1.8 59 228 -12 9 17 54 10 4 57 9 14 51 10 8 1 -0.24 - 96 0 0 10 1 3 0 56 5.9 58 229 -13 9 37 32 10 24 37 9 34 29 10 27 40 -0.24 - 95 0 0 10 20 47 0 56 9.9 57 230 -14 9 57 15 10 44 21 9 54 12 10 47 25 -0.24 - 94 0 0 10 40 34 0 56 13.8 56 231 -15 10 17 2 11 4 9 10 13 59 11 7 13 -0.24 - 93 0 0 11 0 25 0 56 17.7 55 231 -16 10 36 53 11 24 0 10 33 49 11 27 4 -0.24 - 92 0 0 11 20 19 0 56 21.6 54 232 -17 10 56 46 11 43 55 10 53 43 11 46 59 -0.24 - 91 0 0 11 40 16 0 56 25.4 53 233 -18 11 16 43 12 3 52 11 13 39 12 6 56 -0.24 - 90 0 0 12 0 15 0 56 29.1 52 233 -19 11 36 41 12 23 52 11 33 38 12 26 56 -0.24 - 89 0 0 12 20 16 0 56 32.8 51 234 -20 11 56 42 12 43 53 11 53 38 12 46 57 -0.24 - 88 0 0 12 40 18 0 56 36.4 50 235 -21 12 16 43 13 3 55 12 13 40 13 6 59 -0.24 - 87 0 0 13 0 20 0 56 40.0 49 235 -22 12 36 46 13 23 57 12 33 42 13 27 2 -0.24 - 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73 0 0 17 37 52 0 57 23.3 35 242 -37 17 14 19 18 1 26 17 11 16 18 4 30 -0.24 - 72 0 0 17 57 10 0 57 25.9 34 242 -38 17 33 38 18 20 44 17 30 35 18 23 48 -0.24 - 71 0 0 18 16 22 0 57 28.4 33 243 -39 17 52 51 18 39 55 17 49 47 18 42 59 -0.24 - 70 0 0 18 35 27 0 57 30.8 32 243 -40 18 11 56 18 58 59 18 8 53 19 2 3 -0.24 - 69 0 0 18 54 24 0 57 33.2 31 243 -41 18 30 55 19 17 56 18 27 52 19 21 0 -0.24 - 68 0 0 19 13 15 0 57 35.5 30 244 -42 18 49 46 19 36 46 18 46 43 19 39 49 -0.24 - 67 0 0 19 31 57 0 57 37.7 29 244 -43 19 8 29 19 55 27 19 5 26 19 58 31 -0.24 - 66 0 0 19 50 31 0 57 39.8 28 245 -44 19 27 3 20 14 0 19 24 1 20 17 4 -0.24 - 65 0 0 20 8 56 0 57 41.9 27 245 -45 19 45 29 20 32 24 19 42 27 20 35 28 -0.24 - 64 0 0 20 27 12 0 57 43.9 26 245 -46 20 3 46 20 50 40 20 0 44 20 53 43 -0.24 - 63 0 0 20 45 18 0 57 45.8 25 246 -47 20 21 54 21 8 45 20 18 51 21 11 48 -0.24 - 62 0 0 21 3 15 0 57 47.6 24 246 -48 20 39 51 21 26 41 20 36 49 21 29 44 -0.24 - 61 0 0 21 21 2 0 57 49.3 23 247 -49 20 57 39 21 44 27 20 54 37 21 47 30 -0.24 - 60 0 0 21 38 38 0 57 51.0 22 247 -50 21 15 17 22 2 2 21 12 15 22 5 5 -0.24 - 59 0 0 21 56 4 0 57 52.6 21 248 -50 21 32 44 22 19 27 21 29 42 22 22 30 -0.24 - 58 0 0 22 13 19 0 57 54.2 20 248 -51 21 49 59 22 36 41 21 46 58 22 39 43 -0.24 - 57 0 0 22 30 23 0 57 55.6 19 248 -52 22 7 4 22 53 43 22 4 3 22 56 45 -0.24 - 56 0 0 22 47 15 0 57 57.0 18 249 -53 22 23 57 23 10 34 22 20 56 23 13 36 -0.24 - 55 0 0 23 3 55 0 57 58.3 17 249 -54 22 40 39 23 27 13 22 37 37 23 30 15 -0.24 - 54 0 0 23 20 23 0 57 59.6 16 250 -55 22 57 8 23 43 40 22 54 7 23 46 42 -0.24 - 53 0 0 23 36 39 0 58 0.7 15 250 -56 23 13 25 23 59 55 23 10 24 24 2 56 -0.24 - 52 0 0 23 52 42 0 58 1.8 14 250 -57 23 29 29 24 15 57 23 26 29 24 18 58 -0.24 - 51 0 0 24 8 32 0 58 2.8 13 251 -58 23 45 21 24 31 46 23 42 20 24 34 47 -0.24 - 50 0 0 24 24 10 0 58 3.8 12 251 -59 24 1 0 24 47 22 23 57 59 24 50 23 -0.24 - 49 0 0 24 39 34 0 58 4.6 11 252 -60 24 16 25 25 2 45 24 13 25 25 5 46 -0.24 - 48 0 0 24 54 44 0 58 5.4 10 252 -61 24 31 37 25 17 54 24 28 37 25 20 55 -0.24 - 47 0 0 25 9 41 0 58 6.1 9 253 -62 24 46 35 25 32 50 24 43 35 25 35 50 -0.24 - 46 0 0 25 24 24 0 58 6.8 8 253 -63 25 1 20 25 47 32 24 58 20 25 50 32 -0.25 - 45 0 0 25 38 54 0 58 7.4 7 253 -64 25 15 50 26 1 59 25 12 51 26 4 59 -0.25 - 44 0 0 25 53 8 0 58 7.9 7 254 -65 25 30 6 26 16 13 25 27 7 26 19 13 -0.25 - 43 0 0 26 7 9 0 58 8.3 6 254 -65 25 44 8 26 30 12 25 41 9 26 33 12 -0.25 - 42 0 0 26 20 55 0 58 8.7 5 255 -66 25 57 56 26 43 57 25 54 57 26 46 56 -0.25 - 41 0 0 26 34 26 0 58 9.0 4 255 -67 26 11 28 26 57 27 26 8 29 27 0 26 -0.25 - 40 0 0 26 47 43 0 58 9.2 3 256 -68 26 24 46 27 10 42 26 21 47 27 13 41 -0.25 - 39 0 0 27 0 44 0 58 9.4 2 256 -69 26 37 49 27 23 42 26 34 50 27 26 41 -0.26 - 38 0 0 27 13 31 0 58 9.5 1 257 -70 26 50 37 27 36 27 26 47 38 27 39 26 -0.27 - 37 0 0 27 26 2 0 58 9.5 0 257 -71 27 3 9 .. .. .. 27 0 11 .. .. .. -0.61 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 5806-00931-1 * constellation : Aquarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 22 14 18.8875 DE: -11 39 30.166 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 22 14 18.8874 DE: -11 39 30.166 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 11.6 * B mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1754) Cunningham asteroid class: approx. diameter [km]: 80 approx. diameter ["]: 0.029 distance from Earth [AU]: 3.82730 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#57 date of fit: 2023 Apr 24 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.013", 0.001", 82.072° remarks: * orbital elements for (1754)Cunningham : Mean anomaly = 55.5858575243 deg Arg. of pericenter = 110.1075360145 deg Long. of node = 162.8194823063 deg Inclination = 12.1574137165 deg Eccentricity = 0.1683346934 Semimajor axis = 3.9358848989 AU Perihelion dist = 3.2733389212 AU Mag: H = 9.81, G = 0.15 Epoch of elements : MJD 60655.03756263 TDT (2024 Dec 11.0376) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Apr24,3.16,2024,12,11,0.901500,-0.058388,0.232901,13.881994,3.461712,0.005399,0.002039,-0.000001,0.000000 -119.8509,-11.5358,164.79,-23.02,False TYC 5806-00931-1,22.23857987,-11.6583793,12.16,11.60,11.30,0.0,0,,22.26061562,-11.5357617,4.78,4.63,0,0,0 1754,Cunningham,16.36,80.005,3.8273,0,0,2.170,7.96,,5.4,0 0,55.4549,2024,12,10,110.1075,162.8195,12.1574,0.16833,3.93588,3.27334,9.81,5.0,0.15 1.065,0.0133,0.0012,82,0.0019,Known errors,1.35,0,-1,-1 20241211_0931-1,60140.73 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:38 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org