Cora»Occultation

2023-12-20 / UCAC4 531-016861 / (790) Pretoria

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Archimedes Karagiannidis, Michail Dogramtzidis	O+	CCD	M356	GR	GPS	21:47:10	21:49:07.37	21:49:14.16	21:51:11	0.19	0.19	6.79	120.2

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#112 : e5192ba0-ddb0-11f0-547e-8640bef7bc8a [db: observed]

JPL#112 : 4b2c94b0-ddb4-11f0-547e-76ada6ff3e1e [db: observed]

Using prediction e5192ba0-ddb0-11f0-547e-8640bef7bc8a for map and profile fit

Get observations as KML file (reduced site location resolution)

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : e5192ba0-ddb0-11f0-547e-8640bef7bc8a [observed] Occultation Date + Time : 2023-12-20 at 21:49:28 UT +/- 0.01 min [1] Object Designation : (790) Pretoria Orbit Class : MBA Star Designation : GDR3 3396289442794674304 Star Coordinates (ICRF) : RA = 05 43 56.7826, DE = +16 00 44.489 [2] Star Magnitudes : G = 14.59 mag, RP = 13.8 mag, BP = 15.26 mag Object Magnitude : V = 13.53 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 9.6 sec Object Mean Diameter : 170.4 km (src: astorb) Speed of the shadow : 17.7 km/s Elongation to Moon & Sun : 73° (sunlit = 63%), Sun = 172° Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : e5192ba0-ddb0-11f0-547e-8640bef7bc8a [observed] Occultation Date + Time : 2023-12-20 at 21:49:28 UT +/- 0.01 min [1] Object Designation : (790) Pretoria Orbit Class : MBA Star Designation : GDR3 3396289442794674304 Star Coordinates (ICRF) : RA = 05 43 56.7826, DE = +16 00 44.489 [2] Star Magnitudes : G = 14.59 mag, RP = 13.8 mag, BP = 15.26 mag Object Magnitude : V = 13.53 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 9.6 sec Object Mean Diameter : 170.4 km (src: astorb) Speed of the shadow : 17.7 km/s Elongation to Moon & Sun : 73° (sunlit = 63%), Sun = 172° Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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