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] : 3bbdc474-7275-4ed4-9825-635982458f7c [observed]
Occultation Date + Time : 2022-03-27 at 21:06:32 UT +/- 0.03 min [1]
Object Designation : (8833) Acer
Orbit Class : MBA
Star Designation : GDR3 3622393494964766976
Star Coordinates (ICRF) : RA = 12 57 22.4019, DE = -11 59 16.066 [2]
Star Magnitudes : G = 13.6 mag, RP = 12.96 mag, BP = 14.08 mag
Object Magnitude : V = 16.91 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 11.1 km/s
Elongation to Moon & Sun : 113° (sunlit = 22%), Sun = 168°
Cross-track uncertainty : 3.3 mas = 4 km = 0.51 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0