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):
Occultation UUID [and DB] : 1729f257-176d-4a84-a9b4-8c780e084659 [observed]
Occultation Date + Time : 2023-09-04 at 19:28:38 UT +/- 0.02 min [1]
Object Designation : (12721) 1991 PB
Orbit Class : MBA
Star Designation : GDR3 4115093520223240320
Star Coordinates (ICRF) : RA = 17 21 57.2012, DE = -21 06 33.606 [2]
Star Magnitudes : G = 13.49 mag, RP = 12.42 mag, BP = 14.68 mag
Object Magnitude : V = 17.34 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 14.1 km/s
Elongation to Moon & Sun : 145° (sunlit = 72%), Sun = 99°
Cross-track uncertainty : 1.3 mas = 1 km = 0.23 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0