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] : 0946a89d-720c-484b-9626-52a5effc9980 [observed]
Occultation Date + Time : 2007-05-15 at 06:19:01 UT +/- 0.02 min [1]
Object Designation : (71) Niobe
Orbit Class : MBA
Star Designation : GDR3 6781060363118648704
Star Coordinates (ICRF) : RA = 21 05 17.1355, DE = -32 48 29.889 [2]
Star Magnitudes : G = 11.79 mag, RP = 11.2 mag, BP = 12.22 mag
Object Magnitude : V = 11.5 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 10.1 sec
Object Mean Diameter : 83 km (src: astorb)
Speed of the shadow : 8.3 km/s
Elongation to Moon & Sun : 84° (sunlit = 4%), Sun = 104°
Cross-track uncertainty : 8.0 mas = 11 km = 0.14 path-width (1-sig)
RUWE and duplicate source : 1.17 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#110
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0