Cora»Occultation

2025-11-07 / UCAC4 497-000236 / (70707) 1999 UC42

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Peter Delincak	O-	VID	M400	SK	NTP	22:02:49	::	::	22:06:59

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#54 : b4df9d40-ddb8-11f0-547e-5f6bbd7643c2 [db: observed]

Using prediction b4df9d40-ddb8-11f0-547e-5f6bbd7643c2 for map and profile fit

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Event Details
Occultation UUID [and DB] : b4df9d40-ddb8-11f0-547e-5f6bbd7643c2 [observed] Occultation Date + Time : 2025-11-07 at 22:17:30 UT +/- 0.03 min [1] Object Designation : (70707) 1999 UC42 Orbit Class : MBA Star Designation : GDR3 2752258203405241472 Star Coordinates (ICRF) : RA = 00 10 46.6653, DE = +09 23 40.080 [2] Star Magnitudes : G = 14.01 mag, RP = 13.3 mag, BP = 14.58 mag Object Magnitude : V = 19.34 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 3.2 km (src: astorb) Speed of the shadow : 6.3 km/s Elongation to Moon & Sun : 73° (sunlit = 92%), Sun = 140° Cross-track uncertainty : 1.7 mas = 2 km = 0.70 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : b4df9d40-ddb8-11f0-547e-5f6bbd7643c2 [observed] Occultation Date + Time : 2025-11-07 at 22:17:30 UT +/- 0.03 min [1] Object Designation : (70707) 1999 UC42 Orbit Class : MBA Star Designation : GDR3 2752258203405241472 Star Coordinates (ICRF) : RA = 00 10 46.6653, DE = +09 23 40.080 [2] Star Magnitudes : G = 14.01 mag, RP = 13.3 mag, BP = 14.58 mag Object Magnitude : V = 19.34 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 3.2 km (src: astorb) Speed of the shadow : 6.3 km/s Elongation to Moon & Sun : 73° (sunlit = 92%), Sun = 140° Cross-track uncertainty : 1.7 mas = 2 km = 0.70 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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