Cora»Occultation

2025-09-10 / Other J012700.97+124906.1 / (122539) 2000 QN220

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith, Eric Smith	O-	VID	M150	ES	GPS	04:17:20	::	::	04:21:20
2	show	Deborah Smith	O-	VID	M300	ES	GPS	04:17:18	::	::	04:21:18

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#38 : 68735d30-ddb7-11f0-547e-0074f2dd5235 [db: observed]

Using prediction 68735d30-ddb7-11f0-547e-0074f2dd5235 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 68735d30-ddb7-11f0-547e-0074f2dd5235 [observed] Occultation Date + Time : 2025-09-10 at 04:31:23 UT +/- 0.11 min [1] Object Designation : (122539) 2000 QN220 Orbit Class : MBA Star Designation : GDR3 2587041978441544832 Star Coordinates (ICRF) : RA = 01 27 00.9702, DE = +12 49 06.157 [2] Star Magnitudes : G = 11.52 mag, RP = 11.07 mag, BP = 11.79 mag Object Magnitude : V = 19.21 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 2.3 km (src: astorb) Speed of the shadow : 3.4 km/s Elongation to Moon & Sun : 4° (sunlit = 92%), Sun = 143° Cross-track uncertainty : 19.0 mas = 19 km = 8.34 path-width (1-sig) RUWE and duplicate source : 1.62 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 68735d30-ddb7-11f0-547e-0074f2dd5235 [observed] Occultation Date + Time : 2025-09-10 at 04:31:23 UT +/- 0.11 min [1] Object Designation : (122539) 2000 QN220 Orbit Class : MBA Star Designation : GDR3 2587041978441544832 Star Coordinates (ICRF) : RA = 01 27 00.9702, DE = +12 49 06.157 [2] Star Magnitudes : G = 11.52 mag, RP = 11.07 mag, BP = 11.79 mag Object Magnitude : V = 19.21 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 2.3 km (src: astorb) Speed of the shadow : 3.4 km/s Elongation to Moon & Sun : 4° (sunlit = 92%), Sun = 143° Cross-track uncertainty : 19.0 mas = 19 km = 8.34 path-width (1-sig) RUWE and duplicate source : 1.62 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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