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: sodis
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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Occultation UUID [and DB] : a95cf160-853b-11ef-78cd-df8a29ff22a7 [asteroids]
Occultation Date + Time : 2025-02-17 at 03:02:14 UT +/- 0.04 min [1]
Object Designation : (122) Gerda
Orbit Class : MBA
Star Designation : GDR3 3378862728953070208
Star Coordinates (ICRF) : RA = 06 40 41.3882, DE = +21 09 48.617 [2]
Star Magnitudes : G = 12.19 mag, RP = 11.76 mag, BP = 12.46 mag
Object Magnitude : V = 12.91 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 21.7 sec
Object Mean Diameter : 81.7 km (src: astorb)
Speed of the shadow : 3.8 km/s
Elongation to Moon & Sun : 100° (sunlit = 82%), Sun = 131°
Cross-track uncertainty : 1.0 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#67
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
