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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : ca042e79-36ca-45a6-8459-d6863368c4f1 [observed]
Occultation Date + Time : 2023-11-08 at 20:42:24 UT +/- 0.03 min [1]
Object Designation : (1845) Helewalda
Orbit Class : MBA
Star Designation : GDR3 2481632382802424448
Star Coordinates (ICRF) : RA = 01 21 33.3711, DE = -06 21 03.527 [2]
Star Magnitudes : G = 13.96 mag, RP = 13.29 mag, BP = 14.49 mag
Object Magnitude : V = 15.86 mag
Estimated Magnitude Drop : 2.1 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 18.7 km (src: astorb)
Speed of the shadow : 9.1 km/s
Elongation to Moon & Sun : 156° (sunlit = 19%), Sun = 147°
Cross-track uncertainty : 3.2 mas = 4 km = 0.25 path-width (1-sig)
RUWE and duplicate source : 7.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
