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] : 1f9e9105-5b74-4375-9257-4dad109ae251 [observed]
Occultation Date + Time : 2022-08-15 at 01:07:37 UT +/- 0.03 min [1]
Object Designation : (47219) Heatherkoehler
Orbit Class : MBA
Star Designation : GDR3 2730852872378921728
Star Coordinates (ICRF) : RA = 22 23 44.8226, DE = +12 49 55.409 [2]
Star Magnitudes : G = 12.72 mag, RP = 12.25 mag, BP = 13.03 mag
Object Magnitude : V = 16.61 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 9.8 km/s
Elongation to Moon & Sun : 31° (sunlit = 88%), Sun = 151°
Cross-track uncertainty : 6.7 mas = 7 km = 0.87 path-width (1-sig)
RUWE and duplicate source : 1.26 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0