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] : 0cf3f88a-ada6-47ba-a689-19f3f1cf6b6e [observed]
Occultation Date + Time : 2022-03-28 at 02:37:23 UT +/- 0.01 min [1]
Object Designation : (25324) 1999 GQ4
Orbit Class : MBA
Star Designation : GDR3 4199681561064848000
Star Coordinates (ICRF) : RA = 19 17 05.1420, DE = -11 37 14.698 [2]
Star Magnitudes : G = 11.34 mag, RP = 11.16 mag, BP = 11.43 mag
Object Magnitude : V = 18.74 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 23.1 km/s
Elongation to Moon & Sun : 30° (sunlit = 20%), Sun = 78°
Cross-track uncertainty : 0.7 mas = 1 km = 0.17 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#53
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0