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] : d1cc6b94-2f5a-4013-a7c2-b531cba68b51 [observed]
Occultation Date + Time : 2022-02-04 at 18:29:52 UT +/- 0.03 min [1]
Object Designation : (6278) Ametkhan
Orbit Class : MBA
Star Designation : GDR3 0677105481161588224
Star Coordinates (ICRF) : RA = 08 09 59.4125, DE = +22 29 15.836 [2]
Star Magnitudes : G = 12.89 mag, RP = 12.04 mag, BP = 13.66 mag
Object Magnitude : V = 17.62 mag
Estimated Magnitude Drop : 4.8 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5 km (src: astorb)
Speed of the shadow : 10.2 km/s
Elongation to Moon & Sun : 118° (sunlit = 15%), Sun = 164°
Cross-track uncertainty : 4.7 mas = 5 km = 1.08 path-width (1-sig)
RUWE and duplicate source : 1.08 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