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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 5ce178c0-c338-11ef-5276-b728bddf9677 [observed]
Occultation Date + Time : 2023-06-03 at 22:13:08 UT +/- 0.0 min [1]
Object Designation : (9038) Helensteel
Orbit Class : MBA
Star Designation : GDR3 4368875814786002944
Star Coordinates (ICRF) : RA = 17 32 48.5809, DE = -03 25 14.189 [2]
Star Magnitudes : G = 11.65 mag, RP = 10.7 mag, BP = 12.58 mag
Object Magnitude : V = 17.2 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 7.0 km (src: astorb)
Speed of the shadow : 10.8 km/s
Elongation to Moon & Sun : 26° (sunlit = 100%), Sun = 158°
Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0