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: 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] : 16fa0d4b-af88-46ab-a598-f35ddb1d080d [observed]
Occultation Date + Time : 2021-08-31 at 01:33:58 UT +/- 0.01 min [1]
Object Designation : (489) Comacina
Orbit Class : MBA
Star Designation : GDR3 3339187985735664512
Star Coordinates (ICRF) : RA = 05 25 07.1575, DE = +10 50 50.322 [2]
Star Magnitudes : G = 12.25 mag, RP = 11.62 mag, BP = 12.71 mag
Object Magnitude : V = 14.71 mag
Estimated Magnitude Drop : 2.6 mag
Estimated Max. Duration : 6.0 sec
Object Mean Diameter : 139 km (src: astorb)
Speed of the shadow : 23.3 km/s
Elongation to Moon & Sun : 14° (sunlit = 43%), Sun = 77°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.33 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#134
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
