UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
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
Image size: 300px. Transparent image background for copy & paste
Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : c77b9953-604d-4f28-a0ab-ba33796a4a36 [observed]
Occultation Date + Time : 2021-09-13 at 21:19:01 UT +/- 0.1 min [1]
Object Designation : (2120) Tyumenia
Orbit Class : MBA
Star Designation : GDR3 0087744429510672768
Star Coordinates (ICRF) : RA = 02 27 51.8625, DE = +21 32 00.870 [2]
Star Magnitudes : G = 12.67 mag, RP = 12.0 mag, BP = 13.19 mag
Object Magnitude : V = 16.1 mag
Estimated Magnitude Drop : 3.5 mag
Estimated Max. Duration : 8.4 sec
Object Mean Diameter : 41 km (src: astorb)
Speed of the shadow : 4.9 km/s
Elongation to Moon & Sun : 140° (sunlit = 51%), Sun = 129°
Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#61
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0