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] : 17891ac9-2c2b-487b-8d8c-27d6a0a0cda9 [observed]
Occultation Date + Time : 2011-03-30 at 20:47:58 UT +/- 0.02 min [1]
Object Designation : (1320) Impala
Orbit Class : MBA
Star Designation : GDR3 1231135096745556480
Star Coordinates (ICRF) : RA = 13 56 48.6147, DE = +15 19 47.186 [2]
Star Magnitudes : G = 12.44 mag, RP = 11.91 mag, BP = 12.81 mag
Object Magnitude : V = 15.04 mag
Estimated Magnitude Drop : 2.7 mag
Estimated Max. Duration : 3.6 sec
Object Mean Diameter : 40 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 121° (sunlit = 12%), Sun = 152°
Cross-track uncertainty : 5.3 mas = 6 km = 0.18 path-width (1-sig)
RUWE and duplicate source : 1.47 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0