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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : ca981ea3-36d6-4490-b6b4-cb0bc95c128e [observed]
Occultation Date + Time : 2020-01-02 at 20:20:22 UT +/- 0.01 min [1]
Object Designation : (4801) Ohre
Orbit Class : MBA
Star Designation : GDR3 2576805215949451776
Star Coordinates (ICRF) : RA = 01 17 33.5602, DE = +07 06 23.667 [2]
Star Magnitudes : G = 11.17 mag, RP = 10.46 mag, BP = 11.75 mag
Object Magnitude : V = 17.74 mag
Estimated Magnitude Drop : 6.6 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 12.3 km/s
Elongation to Moon & Sun : 13° (sunlit = 47%), Sun = 99°
Cross-track uncertainty : 2.3 mas = 3 km = 0.42 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0