Cora»Occultation

2023-07-20 / UCAC4 335-128282 / (84721) 2002 WU2

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Peter Delincak	O-	VID	M400	SK	NTP	20:58:41			21:02:50

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#36 : d5184f30-ddb3-11f0-547e-6b9197df4c30 [db: observed]

Using prediction d5184f30-ddb3-11f0-547e-6b9197df4c30 for map and profile fit

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Event Details
Occultation UUID [and DB] : d5184f30-ddb3-11f0-547e-6b9197df4c30 [observed] Occultation Date + Time : 2023-07-20 at 21:04:12 UT +/- 0.02 min [1] Object Designation : (84721) 2002 WU2 Orbit Class : MBA Star Designation : GDR3 4069387955730990592 Star Coordinates (ICRF) : RA = 17 55 55.5743, DE = -23 04 52.839 [2] Star Magnitudes : G = 10.87 mag, RP = 10.04 mag, BP = 11.59 mag Object Magnitude : V = 20.07 mag Estimated Magnitude Drop : 9.2 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.3 km (src: astorb) Speed of the shadow : 8.8 km/s Elongation to Moon & Sun : 117° (sunlit = 9%), Sun = 151° Cross-track uncertainty : 2.0 mas = 2 km = 1.17 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : d5184f30-ddb3-11f0-547e-6b9197df4c30 [observed] Occultation Date + Time : 2023-07-20 at 21:04:12 UT +/- 0.02 min [1] Object Designation : (84721) 2002 WU2 Orbit Class : MBA Star Designation : GDR3 4069387955730990592 Star Coordinates (ICRF) : RA = 17 55 55.5743, DE = -23 04 52.839 [2] Star Magnitudes : G = 10.87 mag, RP = 10.04 mag, BP = 11.59 mag Object Magnitude : V = 20.07 mag Estimated Magnitude Drop : 9.2 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.3 km (src: astorb) Speed of the shadow : 8.8 km/s Elongation to Moon & Sun : 117° (sunlit = 9%), Sun = 151° Cross-track uncertainty : 2.0 mas = 2 km = 1.17 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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