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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : e5f94d8c-d3ad-4f92-8fc0-4d6810e194ac [observed]
Occultation Date + Time : 2007-01-09 at 18:23:49 UT +/- 0.02 min [1]
Object Designation : (1926) Demiddelaer
Orbit Class : MBA
Star Designation : GDR3 2484520593690036864
Star Coordinates (ICRF) : RA = 01 37 55.8843, DE = -02 25 17.263 [2]
Star Magnitudes : G = 10.85 mag, RP = 10.16 mag, BP = 11.38 mag
Object Magnitude : V = 16.51 mag
Estimated Magnitude Drop : 5.7 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 21 km (src: astorb)
Speed of the shadow : 15.7 km/s
Elongation to Moon & Sun : 155° (sunlit = 66%), Sun = 93°
Cross-track uncertainty : 3.3 mas = 6 km = 0.30 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0