Cora»Occultation

2025-11-13 / UCAC4 618-015306 / (189442) 1998 SP93

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Andreas Schweizer	O-	VID	M250	CH	GPS	20:34:10	::	::	20:35:10
2	show	Gregor Krannich	O-	VID	M350	DE	GPS	20:33:42	::	::	20:35:12

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#31 : b6359050-ddb8-11f0-547e-760a7ee29b30 [db: observed]

Using prediction b6359050-ddb8-11f0-547e-760a7ee29b30 for map and profile fit

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Event Details
Occultation UUID [and DB] : b6359050-ddb8-11f0-547e-760a7ee29b30 [observed] Occultation Date + Time : 2025-11-13 at 20:29:23 UT +/- 0.08 min [1] Object Designation : (189442) 1998 SP93 Orbit Class : MBA Star Designation : GDR3 0172744752876632192 Star Coordinates (ICRF) : RA = 04 25 01.2697, DE = +33 34 29.969 [2] Star Magnitudes : G = 11.64 mag, RP = 10.85 mag, BP = 12.31 mag Object Magnitude : V = 19.7 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 3.1 km (src: astorb) Speed of the shadow : 12.1 km/s Elongation to Moon & Sun : 91° (sunlit = 34%), Sun = 158° Cross-track uncertainty : 25.3 mas = 37 km = 12.16 path-width (1-sig) RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : b6359050-ddb8-11f0-547e-760a7ee29b30 [observed] Occultation Date + Time : 2025-11-13 at 20:29:23 UT +/- 0.08 min [1] Object Designation : (189442) 1998 SP93 Orbit Class : MBA Star Designation : GDR3 0172744752876632192 Star Coordinates (ICRF) : RA = 04 25 01.2697, DE = +33 34 29.969 [2] Star Magnitudes : G = 11.64 mag, RP = 10.85 mag, BP = 12.31 mag Object Magnitude : V = 19.7 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 3.1 km (src: astorb) Speed of the shadow : 12.1 km/s Elongation to Moon & Sun : 91° (sunlit = 34%), Sun = 158° Cross-track uncertainty : 25.3 mas = 37 km = 12.16 path-width (1-sig) RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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