UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 87c24184-921d-4d24-8a35-fa00a56d7d9a [observed]
Occultation Date + Time : 2021-10-10 at 00:58:43 UT +/- 0.03 min [1]
Object Designation : (53420) 1999 RH4
Orbit Class : MBA
Star Designation : GDR3 2792598249939338624
Star Coordinates (ICRF) : RA = 00 18 17.2481, DE = +15 42 50.574 [2]
Star Magnitudes : G = 13.21 mag, RP = 12.54 mag, BP = 13.72 mag
Object Magnitude : V = 17.59 mag
Estimated Magnitude Drop : 4.4 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 12.6 km/s
Elongation to Moon & Sun : 124° (sunlit = 17%), Sun = 166°
Cross-track uncertainty : 6.0 mas = 9 km = 1.14 path-width (1-sig)
RUWE and duplicate source : 1.58 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