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] : 5f4daa42-cf6a-4346-88a4-09e743aa8be2 [observed]
Occultation Date + Time : 2007-04-03 at 06:56:36 UT +/- 0.05 min [1]
Object Designation : (675) Ludmilla
Orbit Class : MBA
Star Designation : GDR3 3780116342024816000
Star Coordinates (ICRF) : RA = 10 15 32.7758, DE = -04 08 52.702 [2]
Star Magnitudes : G = 11.96 mag, RP = 11.56 mag, BP = 12.2 mag
Object Magnitude : V = 12.75 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 9.9 sec
Object Mean Diameter : 80 km (src: astorb)
Speed of the shadow : 8.1 km/s
Elongation to Moon & Sun : 43° (sunlit = 100%), Sun = 142°
Cross-track uncertainty : 5.3 mas = 7 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#69
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0