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] : b2832333-093e-4b7e-915f-410282a30812 [observed]
Occultation Date + Time : 2021-04-15 at 22:02:23 UT +/- 0.04 min [1]
Object Designation : (1400) Tirela
Orbit Class : MBA
Star Designation : GDR3 0576843829026489088
Star Coordinates (ICRF) : RA = 08 55 29.9498, DE = +01 19 26.967 [2]
Star Magnitudes : G = 13.8 mag, RP = 13.32 mag, BP = 14.07 mag
Object Magnitude : V = 17.87 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 17 km (src: astorb)
Speed of the shadow : 8.5 km/s
Elongation to Moon & Sun : 69° (sunlit = 12%), Sun = 109°
Cross-track uncertainty : 1.0 mas = 2 km = 0.14 path-width (1-sig)
RUWE and duplicate source : 1.1 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
