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] : b9511860-3791-4170-98af-c2a7db0a0500 [observed]
Occultation Date + Time : 2021-08-03 at 20:31:34 UT +/- 0.03 min [1]
Object Designation : (35627) 1998 KW9
Orbit Class : MBA
Star Designation : GDR3 6900812675625458688
Star Coordinates (ICRF) : RA = 20 34 28.5049, DE = -12 12 11.715 [2]
Star Magnitudes : G = 13.69 mag, RP = 13.08 mag, BP = 14.12 mag
Object Magnitude : V = 16.12 mag
Estimated Magnitude Drop : 2.5 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 9.0 km/s
Elongation to Moon & Sun : 129° (sunlit = 21%), Sun = 173°
Cross-track uncertainty : 7.7 mas = 8 km = 0.97 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#41
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0