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):
Occultation UUID [and DB] : 7b027555-b061-47a4-9bb0-160606bbb65d [observed]
Occultation Date + Time : 2022-07-19 at 22:23:42 UT +/- 0.02 min [1]
Object Designation : (4685) Karetnikov
Orbit Class : MBA
Star Designation : GDR3 4074430659627410816
Star Coordinates (ICRF) : RA = 18 58 12.1461, DE = -24 43 05.858 [2]
Star Magnitudes : G = 12.12 mag, RP = 11.42 mag, BP = 12.66 mag
Object Magnitude : V = 17.61 mag
Estimated Magnitude Drop : 5.5 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 11 km (src: astorb)
Speed of the shadow : 13.9 km/s
Elongation to Moon & Sun : 96° (sunlit = 57%), Sun = 166°
Cross-track uncertainty : 1.0 mas = 1 km = 0.17 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0