Cora»Occultation

2024-06-29 / UCAC4 323-127914 / (81631) 2000 HD77

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jordi Marco	O-	CCD	M235	ES	NTP	22:37:31			22:39:43
2	show	Antoni Selva, Carlos Perello	O-	VID	M500	ES	GPS	22:36:48			22:40:12

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#47 : e6ee6400-ddb4-11f0-547e-30c1d5ff17c3 [db: observed]

Using prediction e6ee6400-ddb4-11f0-547e-30c1d5ff17c3 for map and profile fit

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Event Details
Occultation UUID [and DB] : e6ee6400-ddb4-11f0-547e-30c1d5ff17c3 [observed] Occultation Date + Time : 2024-06-29 at 22:38:57 UT +/- 0.02 min [1] Object Designation : (81631) 2000 HD77 Orbit Class : MBA Star Designation : GDR3 4064384387539596800 Star Coordinates (ICRF) : RA = 17 59 57.2460, DE = -25 35 27.123 [2] Star Magnitudes : G = 12.38 mag, RP = 12.07 mag, BP = 12.57 mag Object Magnitude : V = 18.94 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 3.0 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 112° (sunlit = 38%), Sun = 171° Cross-track uncertainty : 1.3 mas = 1 km = 0.54 path-width (1-sig) RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : e6ee6400-ddb4-11f0-547e-30c1d5ff17c3 [observed] Occultation Date + Time : 2024-06-29 at 22:38:57 UT +/- 0.02 min [1] Object Designation : (81631) 2000 HD77 Orbit Class : MBA Star Designation : GDR3 4064384387539596800 Star Coordinates (ICRF) : RA = 17 59 57.2460, DE = -25 35 27.123 [2] Star Magnitudes : G = 12.38 mag, RP = 12.07 mag, BP = 12.57 mag Object Magnitude : V = 18.94 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 3.0 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 112° (sunlit = 38%), Sun = 171° Cross-track uncertainty : 1.3 mas = 1 km = 0.54 path-width (1-sig) RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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