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] : a771864d-71fc-42c6-8fd7-c8befe1749d4 [observed]
Occultation Date + Time : 2020-10-16 at 03:04:57 UT +/- 0.01 min [1]
Object Designation : (2666) Gramme
Orbit Class : MBA
Star Designation : GDR3 0582289229083284480
Star Coordinates (ICRF) : RA = 08 46 29.8253, DE = +04 48 35.325 [2]
Star Magnitudes : G = 13.33 mag, RP = 12.94 mag, BP = 13.57 mag
Object Magnitude : V = 17.34 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 39 km (src: astorb)
Speed of the shadow : 26.6 km/s
Elongation to Moon & Sun : 63° (sunlit = 1%), Sun = 71°
Cross-track uncertainty : 1.7 mas = 3 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
