UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 84549abe-b921-4fb1-907b-1b4acbcf916d [observed]
Occultation Date + Time : 2021-10-25 at 17:05:04 UT +/- 0.01 min [1]
Object Designation : (5772) Johnlambert
Orbit Class : MBA
Star Designation : GDR3 6914419028938673280
Star Coordinates (ICRF) : RA = 20 45 24.4374, DE = -04 27 23.217 [2]
Star Magnitudes : G = 10.41 mag, RP = 9.98 mag, BP = 10.68 mag
Object Magnitude : V = 17.55 mag
Estimated Magnitude Drop : 7.1 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 14.2 km/s
Elongation to Moon & Sun : 133° (sunlit = 78%), Sun = 100°
Cross-track uncertainty : 4.3 mas = 6 km = 0.74 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0