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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2 observations 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] : f30187f9-4207-4b11-9911-e4f6b6a21fad [observed]
Occultation Date + Time : 2022-04-04 at 21:36:01 UT +/- 0.01 min [1]
Object Designation : (207) Hedda
Orbit Class : MBA
Star Designation : GDR3 3385011167912346368
Star Coordinates (ICRF) : RA = 06 45 05.4328, DE = +27 04 45.519 [2]
Star Magnitudes : G = 13.88 mag, RP = 13.23 mag, BP = 14.36 mag
Object Magnitude : V = 14.93 mag
Estimated Magnitude Drop : 1.4 mag
Estimated Max. Duration : 3.0 sec
Object Mean Diameter : 59 km (src: astorb)
Speed of the shadow : 19.5 km/s
Elongation to Moon & Sun : 43° (sunlit = 13%), Sun = 85°
Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#77
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0