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):
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
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 5ac4093a-cf06-4b16-acbd-df1b7201697b [observed]
Occultation Date + Time : 2012-02-03 at 00:49:49 UT +/- 0.01 min [1]
Object Designation : (950) Ahrensa
Orbit Class : MBA
Star Designation : GDR3 5723045919082345984
Star Coordinates (ICRF) : RA = 08 18 26.3576, DE = -14 57 35.914 [2]
Star Magnitudes : G = 9.87 mag, RP = 9.21 mag, BP = 10.36 mag
Object Magnitude : V = 14.14 mag
Estimated Magnitude Drop : 4.3 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 15 km (src: astorb)
Speed of the shadow : 10.4 km/s
Elongation to Moon & Sun : 62° (sunlit = 76%), Sun = 146°
Cross-track uncertainty : 0.7 mas = 0 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
