Cora»Occultation

2025-08-13 / UCAC4 680-017834 / (482087) 2010 HP21

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	23:07:15	::	::	23:09:15

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#26 : 47729290-ddb7-11f0-547e-602ffffde5a9 [db: observed]

Using prediction 47729290-ddb7-11f0-547e-602ffffde5a9 for map and profile fit

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Event Details
Occultation UUID [and DB] : 47729290-ddb7-11f0-547e-602ffffde5a9 [observed] Occultation Date + Time : 2025-08-13 at 23:08:28 UT +/- 0.22 min [1] Object Designation : (482087) 2010 HP21 Orbit Class : JTRO Star Designation : GDR3 0434099461370778112 Star Coordinates (ICRF) : RA = 03 01 50.0674, DE = +45 58 38.281 [2] Star Magnitudes : G = 12.55 mag, RP = 12.0 mag, BP = 12.94 mag Object Magnitude : V = 21.56 mag Estimated Magnitude Drop : 9.0 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 6.4 km (src: astorb) Speed of the shadow : 17.6 km/s Elongation to Moon & Sun : 42° (sunlit = 75%), Sun = 85° Cross-track uncertainty : 31.7 mas = 121 km = 19.00 path-width (1-sig) RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#26 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 47729290-ddb7-11f0-547e-602ffffde5a9 [observed] Occultation Date + Time : 2025-08-13 at 23:08:28 UT +/- 0.22 min [1] Object Designation : (482087) 2010 HP21 Orbit Class : JTRO Star Designation : GDR3 0434099461370778112 Star Coordinates (ICRF) : RA = 03 01 50.0674, DE = +45 58 38.281 [2] Star Magnitudes : G = 12.55 mag, RP = 12.0 mag, BP = 12.94 mag Object Magnitude : V = 21.56 mag Estimated Magnitude Drop : 9.0 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 6.4 km (src: astorb) Speed of the shadow : 17.6 km/s Elongation to Moon & Sun : 42° (sunlit = 75%), Sun = 85° Cross-track uncertainty : 31.7 mas = 121 km = 19.00 path-width (1-sig) RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#26 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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