Cora»Occultation

2023-05-29 / UCAC4 509-060587 / (76312) 2000 ER138

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Peter Tickner	O-	VID	M356	GB	GPS	22:31:58			22:36:01
2	show	Simon Kidd	O-	VID	M350	GB	GPS	22:32:51			22:34:51

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#61 : a8a92ff0-ddb3-11f0-547e-b2f0fdf6247a [db: observed]

Using prediction a8a92ff0-ddb3-11f0-547e-b2f0fdf6247a for map and profile fit

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Event Details
Occultation UUID [and DB] : a8a92ff0-ddb3-11f0-547e-b2f0fdf6247a [observed] Occultation Date + Time : 2023-05-29 at 22:31:05 UT +/- 0.0 min [1] Object Designation : (76312) 2000 ER138 Orbit Class : MBA Star Designation : GDR3 4459230729716607488 Star Coordinates (ICRF) : RA = 16 34 29.5138, DE = +11 39 36.997 [2] Star Magnitudes : G = 14.35 mag, RP = 13.93 mag, BP = 14.6 mag Object Magnitude : V = 17.95 mag Estimated Magnitude Drop : 3.6 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 7.9 km (src: astorb) Speed of the shadow : 12.1 km/s Elongation to Moon & Sun : 64° (sunlit = 72%), Sun = 147° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.43 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : a8a92ff0-ddb3-11f0-547e-b2f0fdf6247a [observed] Occultation Date + Time : 2023-05-29 at 22:31:05 UT +/- 0.0 min [1] Object Designation : (76312) 2000 ER138 Orbit Class : MBA Star Designation : GDR3 4459230729716607488 Star Coordinates (ICRF) : RA = 16 34 29.5138, DE = +11 39 36.997 [2] Star Magnitudes : G = 14.35 mag, RP = 13.93 mag, BP = 14.6 mag Object Magnitude : V = 17.95 mag Estimated Magnitude Drop : 3.6 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 7.9 km (src: astorb) Speed of the shadow : 12.1 km/s Elongation to Moon & Sun : 64° (sunlit = 72%), Sun = 147° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.43 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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