UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 83eb6873-7d88-4ceb-947b-78a9bad8a962 [observed]
Occultation Date + Time : 2021-09-05 at 19:30:37 UT +/- 0.04 min [1]
Object Designation : (37330) 2001 QN136
Orbit Class : MBA
Star Designation : GDR3 6910167144458182400
Star Coordinates (ICRF) : RA = 20 53 02.0078, DE = -06 31 22.538 [2]
Star Magnitudes : G = 12.16 mag, RP = 11.42 mag, BP = 12.34 mag
Object Magnitude : V = 17.75 mag
Estimated Magnitude Drop : 5.6 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 : 6.0 mas = 7 km = 1.22 path-width (1-sig)
RUWE and duplicate source : 1.14 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