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] : 2d5d0205-4230-410c-a342-0d51c70a845d [observed]
Occultation Date + Time : 2021-04-25 at 20:06:57 UT +/- 0.03 min [1]
Object Designation : (25053) Matthewknight
Orbit Class : MBA
Star Designation : GDR3 0635127364162674944
Star Coordinates (ICRF) : RA = 09 11 49.1374, DE = +17 55 31.126 [2]
Star Magnitudes : G = 13.35 mag, RP = 12.95 mag, BP = 13.6 mag
Object Magnitude : V = 19.49 mag
Estimated Magnitude Drop : 6.2 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 11.3 km/s
Elongation to Moon & Sun : 62° (sunlit = 97%), Sun = 99°
Cross-track uncertainty : 4.7 mas = 9 km = 1.66 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0