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] : fba5ce97-5fb4-4491-92ca-7f245a558dfb [observed]
Occultation Date + Time : 2022-01-07 at 02:03:40 UT +/- 0.01 min [1]
Object Designation : (42708) 1998 QD11
Orbit Class : MBA
Star Designation : GDR3 3353573446117236608
Star Coordinates (ICRF) : RA = 07 00 56.5165, DE = +13 47 08.353 [2]
Star Magnitudes : G = 13.87 mag, RP = 13.27 mag, BP = 14.3 mag
Object Magnitude : V = 17.98 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 16.1 km/s
Elongation to Moon & Sun : 119° (sunlit = 24%), Sun = 171°
Cross-track uncertainty : 2.0 mas = 2 km = 0.48 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0