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):
Occultation UUID [and DB] : 9536226d-e97e-4500-8240-7944a287e86d [observed]
Occultation Date + Time : 2022-03-22 at 18:20:55 UT +/- 0.07 min [1]
Object Designation : (10520) 1990 RS2
Orbit Class : MBA
Star Designation : GDR3 0594321876315610752
Star Coordinates (ICRF) : RA = 09 18 50.4858, DE = +13 32 49.350 [2]
Star Magnitudes : G = 14.3 mag, RP = 13.88 mag, BP = 14.56 mag
Object Magnitude : V = 18.45 mag
Estimated Magnitude Drop : 4.2 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 3.6 km/s
Elongation to Moon & Sun : 102° (sunlit = 77%), Sun = 136°
Cross-track uncertainty : 9.3 mas = 10 km = 2.67 path-width (1-sig)
RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#43
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0