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):
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] : f03dcb7d-d29b-4c84-8f64-ee43f53e4526 [observed]
Occultation Date + Time : 2022-07-20 at 21:52:11 UT +/- 0.02 min [1]
Object Designation : (3803) Tuchkova
Orbit Class : MBA
Star Designation : GDR3 4106393393976385280
Star Coordinates (ICRF) : RA = 18 39 54.4514, DE = -11 58 00.036 [2]
Star Magnitudes : G = 14.65 mag, RP = 13.79 mag, BP = 15.39 mag
Object Magnitude : V = 16.05 mag
Estimated Magnitude Drop : 1.7 mag
Estimated Max. Duration : 3.1 sec
Object Mean Diameter : 36 km (src: astorb)
Speed of the shadow : 11.7 km/s
Elongation to Moon & Sun : 112° (sunlit = 47%), Sun = 159°
Cross-track uncertainty : 2.7 mas = 4 km = 0.12 path-width (1-sig)
RUWE and duplicate source : 1.98 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