Cora»Occultation

2025-10-11 / UCAC4 444-125085 / (429825) 2012 NW1

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	William Stewart	O-	VID	M279	GB	GPS	21:11:05	::	::	21:13:04

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#27 : 8be99f30-ddb8-11f0-547e-22d87edfe5a4 [db: observed]

Using prediction 8be99f30-ddb8-11f0-547e-22d87edfe5a4 for map and profile fit

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Event Details
Occultation UUID [and DB] : 8be99f30-ddb8-11f0-547e-22d87edfe5a4 [observed] Occultation Date + Time : 2025-10-11 at 21:06:57 UT +/- 0.06 min [1] Object Designation : (429825) 2012 NW1 Orbit Class : MBA Star Designation : GDR3 6917287787918779392 Star Coordinates (ICRF) : RA = 20 58 26.3991, DE = -01 21 14.226 [2] Star Magnitudes : G = 10.75 mag, RP = 10.09 mag, BP = 11.25 mag Object Magnitude : V = 20.39 mag Estimated Magnitude Drop : 9.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 1.60 km (src: astorb) Speed of the shadow : 6.4 km/s Elongation to Moon & Sun : 124° (sunlit = 71%), Sun = 117° Cross-track uncertainty : 18.0 mas = 20 km = 12.74 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 8be99f30-ddb8-11f0-547e-22d87edfe5a4 [observed] Occultation Date + Time : 2025-10-11 at 21:06:57 UT +/- 0.06 min [1] Object Designation : (429825) 2012 NW1 Orbit Class : MBA Star Designation : GDR3 6917287787918779392 Star Coordinates (ICRF) : RA = 20 58 26.3991, DE = -01 21 14.226 [2] Star Magnitudes : G = 10.75 mag, RP = 10.09 mag, BP = 11.25 mag Object Magnitude : V = 20.39 mag Estimated Magnitude Drop : 9.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 1.60 km (src: astorb) Speed of the shadow : 6.4 km/s Elongation to Moon & Sun : 124° (sunlit = 71%), Sun = 117° Cross-track uncertainty : 18.0 mas = 20 km = 12.74 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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