Cora»Occultation

2025-11-25 / UCAC4 592-008775 / (113298) 2002 RQ178

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	William Stewart	O-	VID	M279	GB	GPS	20:20:40	::	::	20:22:39

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#37 : c6f98e50-ddb8-11f0-547e-52696f6d6f03 [db: observed]

Using prediction c6f98e50-ddb8-11f0-547e-52696f6d6f03 for map and profile fit

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Event Details
Occultation UUID [and DB] : c6f98e50-ddb8-11f0-547e-52696f6d6f03 [observed] Occultation Date + Time : 2025-11-25 at 20:18:54 UT +/- 0.06 min [1] Object Designation : (113298) 2002 RQ178 Orbit Class : MBA Star Designation : GDR3 0119637177320480256 Star Coordinates (ICRF) : RA = 03 31 28.3127, DE = +28 13 09.422 [2] Star Magnitudes : G = 12.39 mag, RP = 11.76 mag, BP = 12.85 mag Object Magnitude : V = 19.06 mag Estimated Magnitude Drop : 6.7 mag Estimated Max. Duration : 0.2 sec Object Mean Diameter : 2.6 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 112° (sunlit = 26%), Sun = 169° Cross-track uncertainty : 22.7 mas = 26 km = 10.20 path-width (1-sig) RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : c6f98e50-ddb8-11f0-547e-52696f6d6f03 [observed] Occultation Date + Time : 2025-11-25 at 20:18:54 UT +/- 0.06 min [1] Object Designation : (113298) 2002 RQ178 Orbit Class : MBA Star Designation : GDR3 0119637177320480256 Star Coordinates (ICRF) : RA = 03 31 28.3127, DE = +28 13 09.422 [2] Star Magnitudes : G = 12.39 mag, RP = 11.76 mag, BP = 12.85 mag Object Magnitude : V = 19.06 mag Estimated Magnitude Drop : 6.7 mag Estimated Max. Duration : 0.2 sec Object Mean Diameter : 2.6 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 112° (sunlit = 26%), Sun = 169° Cross-track uncertainty : 22.7 mas = 26 km = 10.20 path-width (1-sig) RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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