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):
Occultation UUID [and DB] : 8f3b6de7-56f5-4516-a2c9-db37d9a9d2dd [observed]
Occultation Date + Time : 2022-01-21 at 02:27:27 UT +/- 0.02 min [1]
Object Designation : (2142) Landau
Orbit Class : MBA
Star Designation : GDR3 0659347131422802688
Star Coordinates (ICRF) : RA = 08 37 45.4584, DE = +17 59 32.240 [2]
Star Magnitudes : G = 14.24 mag, RP = 13.81 mag, BP = 14.52 mag
Object Magnitude : V = 16.3 mag
Estimated Magnitude Drop : 2.2 mag
Estimated Max. Duration : 1.8 sec
Object Mean Diameter : 22 km (src: astorb)
Speed of the shadow : 12.2 km/s
Elongation to Moon & Sun : 30° (sunlit = 91%), Sun = 174°
Cross-track uncertainty : 2.7 mas = 3 km = 0.18 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#57
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0