Cora»Occultation

2023-04-01 / TYC 4820-02022-1 / (40741) 1999 TD

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	MICHAIL DOGRAMATZIDIS, Archimedes Karagiannidis	O-	CCD	T356	GR	GPS	20:31:55			20:35:51

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

1 observation found in db: sodis

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

JPL#48 : 88f72c70-ddb3-11f0-547e-708597bd5815 [db: observed]

Using prediction 88f72c70-ddb3-11f0-547e-708597bd5815 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 88f72c70-ddb3-11f0-547e-708597bd5815 [observed] Occultation Date + Time : 2023-04-01 at 20:28:47 UT +/- 0.01 min [1] Object Designation : (40741) 1999 TD Orbit Class : MBA Star Designation : GDR3 3109762553757760896 Star Coordinates (ICRF) : RA = 07 18 52.7030, DE = -02 02 03.340 [2] Star Magnitudes : G = 11.39 mag, RP = 10.9 mag, BP = 11.72 mag Object Magnitude : V = 18.33 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 6.7 km (src: astorb) Speed of the shadow : 18.3 km/s Elongation to Moon & Sun : 42° (sunlit = 83%), Sun = 99° Cross-track uncertainty : 0.7 mas = 1 km = 0.16 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#48 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 88f72c70-ddb3-11f0-547e-708597bd5815 [observed] Occultation Date + Time : 2023-04-01 at 20:28:47 UT +/- 0.01 min [1] Object Designation : (40741) 1999 TD Orbit Class : MBA Star Designation : GDR3 3109762553757760896 Star Coordinates (ICRF) : RA = 07 18 52.7030, DE = -02 02 03.340 [2] Star Magnitudes : G = 11.39 mag, RP = 10.9 mag, BP = 11.72 mag Object Magnitude : V = 18.33 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 6.7 km (src: astorb) Speed of the shadow : 18.3 km/s Elongation to Moon & Sun : 42° (sunlit = 83%), Sun = 99° Cross-track uncertainty : 0.7 mas = 1 km = 0.16 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#48 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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