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: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 9271d5dc-f1a5-42e0-940c-e887732178ed [observed]
Occultation Date + Time : 2021-01-25 at 06:29:45 UT +/- 0.0 min [1]
Object Designation : (128) Nemesis
Orbit Class : MBA
Star Designation : GDR3 6248719164150395008
Star Coordinates (ICRF) : RA = 15 57 06.7923, DE = -17 18 53.987 [2]
Star Magnitudes : G = 12.18 mag, RP = 11.23 mag, BP = 13.1 mag
Object Magnitude : V = 13.7 mag
Estimated Magnitude Drop : 1.8 mag
Estimated Max. Duration : 6.6 sec
Object Mean Diameter : 188 km (src: astorb)
Speed of the shadow : 28.7 km/s
Elongation to Moon & Sun : 157° (sunlit = 87%), Sun = 65°
Cross-track uncertainty : 1.7 mas = 4 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.24 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#129
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0