UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
4 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : c815d916-8ea5-4bd1-be23-322828b3cbb7 [observed]
Occultation Date + Time : 2021-03-01 at 20:50:54 UT +/- 0.06 min [1]
Object Designation : (232701) 2004 BC20
Orbit Class : MBA
Star Designation : GDR3 0698429890706560128
Star Coordinates (ICRF) : RA = 09 06 37.4722, DE = +28 34 56.754 [2]
Star Magnitudes : G = 11.2 mag, RP = 10.7 mag, BP = 11.54 mag
Object Magnitude : V = 19.88 mag
Estimated Magnitude Drop : 8.7 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 65° (sunlit = 92%), Sun = 147°
Cross-track uncertainty : 4.7 mas = 7 km = 2.34 path-width (1-sig)
RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#31
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0