IOTA/IOTA-ES occultation update for (95625) 2002 GX32 / UCAC4 273-130594 event on 2023 Mar 24, 09:47 UT Visible from Summary ------- On 2023 Mar 24 UT, the 109.6 km diameter asteroid (95625) 2002 GX32 will occult a 14.9 mag star in the constellation Scorpius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 8.45 mag to 23.31 mag (the magnitude of the asteroid) for at most 14.460 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: 0 * date and approx. time of event: predicted path center does not land on Earth. * geocentric midpoint of event [JD]: 2460028.09131659 * magnitude of target star: 14.86 * magnitude drop [mag]: 8.45 * estimated maximum duration [s]: 14.460 * Moon: 10 % sunlit, 132° distance * Sun: 95° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 110 * 1 sigma uncertainty interval [path widths]: +/- 10737.05 * 1 sigma uncertainty interval [seconds]: +/- 100242.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 51.546, +/- 7.537) * 1 sigma uncertainty ellipse (major, minor, PA): (51.971", 3.578", 97°) * approx speed of asteroid's shadow [km/s]: 7.5804 * website for maps: http://www.asteroidoccultation.com Path Coordinates: No Lat/Long file for this path. Data for the target star ------------------------ * name: UCAC4 273-130594 * constellation : Scorpius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 17 52 33.3767 DE: -35 26 07.385 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 17 52 33.3767 DE: -35 26 07.385 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.600,0.400) * V mag [mag]: 14.9 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (95625) 2002 GX32 asteroid class: Centaur approx. diameter [km]: 110 approx. diameter ["]: 0.004 distance from Earth [AU]: 37.15060 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#4 date of fit: 2021 Apr 13 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): 51.971", 3.578", 97.351° remarks: * orbital elements for (95625)2002 GX32 : Mean anomaly = 24.4784037595 deg Arg. of pericenter = 185.9542008248 deg Long. of node = 28.3106224116 deg Inclination = 13.9573795444 deg Eccentricity = 0.3735117203 Semimajor axis = 52.9248021299 AU Perihelion dist = 33.1567682414 AU Mag: H = 7.27, G = 0.15 Epoch of elements : MJD 60027.40826389 TDT (2023 Mar 24.4083) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#42021Apr13,14.46,2023,3,24,14.191598,3.846911,1.776177,1.791522,-3.885457,-0.006064,0.000176,0.000000,0.000000 -126.1430,-35.4402,-31.29,1.46,False UCAC4 273-130594,17.87593797,-35.4353848,0.00,14.86,0.00,0.0,0,,17.90171471,-35.4401641,8.44,0.00,0,0,2 95625,2002 GX32,23.31,109.6,37.1506,0,0,0.036,-0.92,,10.8 0,24.4774,2023,3,24,185.9542,28.3106,13.9574,0.37351,52.92480,33.15677,7.40,5.0,0.15 10738.049,51.9713,3.5777,97,43.6746,Known errors,-1.00,-1,-1,-1 20230324_130594,59744.97 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Jun 14, 23:13 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org