Cora»Occultation

2023-04-30 / UCAC4 524-049510 / (939) Isberga

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Christian Weber	O-	VID	T203	DE	GPS	20:42:45			20:46:00

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#72 : 928612b0-ddb3-11f0-547e-5c0cf6fbbfef [db: observed]

Using prediction 928612b0-ddb3-11f0-547e-5c0cf6fbbfef for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 928612b0-ddb3-11f0-547e-5c0cf6fbbfef [observed] Occultation Date + Time : 2023-04-30 at 20:43:03 UT +/- 0.02 min [1] Object Designation : (939) Isberga Orbit Class : MBA Star Designation : GDR3 0630510411758988416 Star Coordinates (ICRF) : RA = 09 22 07.3808, DE = +14 40 49.984 [2] Star Magnitudes : G = 12.8 mag, RP = 12.37 mag, BP = 13.04 mag Object Magnitude : V = 17.04 mag Estimated Magnitude Drop : 4.3 mag Estimated Max. Duration : 1.7 sec Object Mean Diameter : 17.8 km (src: astorb) Speed of the shadow : 10.5 km/s Elongation to Moon & Sun : 25° (sunlit = 77%), Sun = 98° Cross-track uncertainty : 7.5 mas = 12 km = 0.70 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 928612b0-ddb3-11f0-547e-5c0cf6fbbfef [observed] Occultation Date + Time : 2023-04-30 at 20:43:03 UT +/- 0.02 min [1] Object Designation : (939) Isberga Orbit Class : MBA Star Designation : GDR3 0630510411758988416 Star Coordinates (ICRF) : RA = 09 22 07.3808, DE = +14 40 49.984 [2] Star Magnitudes : G = 12.8 mag, RP = 12.37 mag, BP = 13.04 mag Object Magnitude : V = 17.04 mag Estimated Magnitude Drop : 4.3 mag Estimated Max. Duration : 1.7 sec Object Mean Diameter : 17.8 km (src: astorb) Speed of the shadow : 10.5 km/s Elongation to Moon & Sun : 25° (sunlit = 77%), Sun = 98° Cross-track uncertainty : 7.5 mas = 12 km = 0.70 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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