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):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : aa903970-136f-4be8-bbec-13767196fd05 [observed]
Occultation Date + Time : 2021-12-20 at 00:53:09 UT +/- 0.01 min [1]
Object Designation : (3089) Oujianquan
Orbit Class : MBA
Star Designation : GDR3 3414293632164364032
Star Coordinates (ICRF) : RA = 05 20 38.8634, DE = +20 53 20.656 [2]
Star Magnitudes : G = 11.99 mag, RP = 11.16 mag, BP = 12.7 mag
Object Magnitude : V = 16.5 mag
Estimated Magnitude Drop : 4.5 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 34 km (src: astorb)
Speed of the shadow : 16.7 km/s
Elongation to Moon & Sun : 18° (sunlit = 99%), Sun = 172°
Cross-track uncertainty : 2.3 mas = 4 km = 0.12 path-width (1-sig)
RUWE and duplicate source : 1.31 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
