Cora»Occultation

2024-09-04 / UCAC4 505-002528 / (246553) 2008 SJ98

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	23:38:01			23:42:01
2	show	Tomas Janik	O-	CCD	T600	CZ	GPS	23:38:36			23:41:36

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

2 observations found in db: sodis

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

JPL#22 : 53ebd970-ddb5-11f0-547e-1548eb5d4595 [db: observed]

JPL#22 : 5f87f4d0-ddb5-11f0-547e-4d5d7e7bdc3b [db: observed]

Using prediction 53ebd970-ddb5-11f0-547e-1548eb5d4595 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 53ebd970-ddb5-11f0-547e-1548eb5d4595 [observed] Occultation Date + Time : 2024-09-04 at 23:31:46 UT +/- 0.12 min [1] Object Designation : (246553) 2008 SJ98 Orbit Class : MBA Star Designation : GDR3 2573585536665608064 Star Coordinates (ICRF) : RA = 01 39 10.7708, DE = +10 52 08.988 [2] Star Magnitudes : G = 12.88 mag, RP = 12.39 mag, BP = 13.2 mag Object Magnitude : V = 20.82 mag Estimated Magnitude Drop : 8.0 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 2.1 km (src: astorb) Speed of the shadow : 5.6 km/s Elongation to Moon & Sun : 157° (sunlit = 3%), Sun = 136° Cross-track uncertainty : 22.0 mas = 33 km = 15.95 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#22 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 53ebd970-ddb5-11f0-547e-1548eb5d4595 [observed] Occultation Date + Time : 2024-09-04 at 23:31:46 UT +/- 0.12 min [1] Object Designation : (246553) 2008 SJ98 Orbit Class : MBA Star Designation : GDR3 2573585536665608064 Star Coordinates (ICRF) : RA = 01 39 10.7708, DE = +10 52 08.988 [2] Star Magnitudes : G = 12.88 mag, RP = 12.39 mag, BP = 13.2 mag Object Magnitude : V = 20.82 mag Estimated Magnitude Drop : 8.0 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 2.1 km (src: astorb) Speed of the shadow : 5.6 km/s Elongation to Moon & Sun : 157° (sunlit = 3%), Sun = 136° Cross-track uncertainty : 22.0 mas = 33 km = 15.95 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#22 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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