Cora»Occultation

2024-10-20 / HIP 20709 / (58166) 1990 OF3

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Alexandros Siakas	O-	CCD	T356	GR	GPS	20:11:36			20:13:36

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#49 : 90904b40-ddb5-11f0-547e-41dfffed4d62 [db: observed]

Using prediction 90904b40-ddb5-11f0-547e-41dfffed4d62 for map and profile fit

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Event Details
Occultation UUID [and DB] : 90904b40-ddb5-11f0-547e-41dfffed4d62 [observed] Occultation Date + Time : 2024-10-20 at 20:00:44 UT +/- 0.03 min [1] Object Designation : (58166) 1990 OF3 Orbit Class : MBA Star Designation : GDR3 0176240856256102912 Star Coordinates (ICRF) : RA = 04 26 15.1709, DE = +34 42 55.909 [2] Star Magnitudes : G = 8.2 mag, RP = 7.73 mag, BP = 8.46 mag Object Magnitude : V = 18.98 mag Estimated Magnitude Drop : 10.8 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 4.7 km (src: astorb) Speed of the shadow : 6.5 km/s Elongation to Moon & Sun : 9° (sunlit = 85%), Sun = 136° Cross-track uncertainty : 2.7 mas = 4 km = 0.86 path-width (1-sig) RUWE and duplicate source : 2.61 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#49 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 90904b40-ddb5-11f0-547e-41dfffed4d62 [observed] Occultation Date + Time : 2024-10-20 at 20:00:44 UT +/- 0.03 min [1] Object Designation : (58166) 1990 OF3 Orbit Class : MBA Star Designation : GDR3 0176240856256102912 Star Coordinates (ICRF) : RA = 04 26 15.1709, DE = +34 42 55.909 [2] Star Magnitudes : G = 8.2 mag, RP = 7.73 mag, BP = 8.46 mag Object Magnitude : V = 18.98 mag Estimated Magnitude Drop : 10.8 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 4.7 km (src: astorb) Speed of the shadow : 6.5 km/s Elongation to Moon & Sun : 9° (sunlit = 85%), Sun = 136° Cross-track uncertainty : 2.7 mas = 4 km = 0.86 path-width (1-sig) RUWE and duplicate source : 2.61 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#49 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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