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] : c8b6c758-15b0-4a89-b735-6de4cd61dbfc [observed]
Occultation Date + Time : 2021-09-05 at 19:30:41 UT +/- 0.04 min [1]
Object Designation : (37330) 2001 QN136
Orbit Class : MBA
Star Designation : GDR3 6910167148753201024
Star Coordinates (ICRF) : RA = 20 53 01.9917, DE = -06 31 21.843 [2]
Star Magnitudes : G = 13.85 mag, RP = 19.34 mag, BP = 21.39 mag
Object Magnitude : V = 17.75 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 7.0 km/s
Elongation to Moon & Sun : 159° (sunlit = 2%), Sun = 149°
Cross-track uncertainty : 7.2 mas = 9 km = 1.46 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#40
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0