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] : 54c3a9f7-fc41-4eb7-86df-c4acabe37f9c [observed]
Occultation Date + Time : 2022-07-18 at 20:04:29 UT +/- 0.02 min [1]
Object Designation : (7994) Bethellen
Orbit Class : MBA
Star Designation : GDR3 6865157987439901184
Star Coordinates (ICRF) : RA = 19 46 13.2745, DE = -21 08 29.815 [2]
Star Magnitudes : G = 13.15 mag, RP = 12.44 mag, BP = 13.7 mag
Object Magnitude : V = 17.34 mag
Estimated Magnitude Drop : 4.2 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 13.6 km/s
Elongation to Moon & Sun : 70° (sunlit = 68%), Sun = 178°
Cross-track uncertainty : 1.7 mas = 2 km = 0.31 path-width (1-sig)
RUWE and duplicate source : 1.02 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