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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 612c8c25-4265-4deb-871c-386d34a45934 [observed]
Occultation Date + Time : 2021-11-08 at 20:52:15 UT +/- 0.02 min [1]
Object Designation : (58833) 1998 HM33
Orbit Class : MBA
Star Designation : GDR3 0219122256416794752
Star Coordinates (ICRF) : RA = 04 02 27.5069, DE = +35 28 19.274 [2]
Star Magnitudes : G = 10.8 mag, RP = 9.86 mag, BP = 11.71 mag
Object Magnitude : V = 18.27 mag
Estimated Magnitude Drop : 7.5 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 11.9 km/s
Elongation to Moon & Sun : 142° (sunlit = 22%), Sun = 156°
Cross-track uncertainty : 3.7 mas = 5 km = 0.94 path-width (1-sig)
RUWE and duplicate source : 2.28 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#41
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0