Cora»Occultation

2025-09-14 / TYC 5723-01648-1 / (19644) 1999 RD102

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4
1	show	Deborah Smith, Eric Smith	O-	VID	M150	ES	GPS	21:21:07	::	::	21:25:07
2	show	Deborah Smith	O-	VID	M300	ES	GPS	21:21:07	::	::	21:25:07
3	show	Deborah Smith	O-	VID	M200	ES	GPS	21:20:53	::	::	21:24:53

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

3 observations found in db: sodis

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

JPL#70 : 6e5bd0b0-ddb7-11f0-547e-63b6c7e6ca60 [db: observed]

Using prediction 6e5bd0b0-ddb7-11f0-547e-63b6c7e6ca60 for map and profile fit

Get observations as KML file (reduced site location resolution)

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 6e5bd0b0-ddb7-11f0-547e-63b6c7e6ca60 [observed] Occultation Date + Time : 2025-09-14 at 21:29:20 UT +/- 0.03 min [1] Object Designation : (19644) 1999 RD102 Orbit Class : MBA Star Designation : GDR3 4194950740477298560 Star Coordinates (ICRF) : RA = 19 37 12.4304, DE = -08 03 24.579 [2] Star Magnitudes : G = 8.16 mag, RP = 7.35 mag, BP = 8.86 mag Object Magnitude : V = 17.45 mag Estimated Magnitude Drop : 9.3 mag Estimated Max. Duration : 2.3 sec Object Mean Diameter : 9.3 km (src: astorb) Speed of the shadow : 4.1 km/s Elongation to Moon & Sun : 148° (sunlit = 45%), Sun = 121° Cross-track uncertainty : 1.3 mas = 1 km = 0.20 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 6e5bd0b0-ddb7-11f0-547e-63b6c7e6ca60 [observed] Occultation Date + Time : 2025-09-14 at 21:29:20 UT +/- 0.03 min [1] Object Designation : (19644) 1999 RD102 Orbit Class : MBA Star Designation : GDR3 4194950740477298560 Star Coordinates (ICRF) : RA = 19 37 12.4304, DE = -08 03 24.579 [2] Star Magnitudes : G = 8.16 mag, RP = 7.35 mag, BP = 8.86 mag Object Magnitude : V = 17.45 mag Estimated Magnitude Drop : 9.3 mag Estimated Max. Duration : 2.3 sec Object Mean Diameter : 9.3 km (src: astorb) Speed of the shadow : 4.1 km/s Elongation to Moon & Sun : 148° (sunlit = 45%), Sun = 121° Cross-track uncertainty : 1.3 mas = 1 km = 0.20 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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