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] : 462c86fb-ca57-46d4-b2f5-1b88d58a6847 [observed]
Occultation Date + Time : 2022-04-23 at 00:13:52 UT +/- 0.03 min [1]
Object Designation : (119) Althaea
Orbit Class : MBA
Star Designation : GDR3 4096705936265806592
Star Coordinates (ICRF) : RA = 18 28 23.9682, DE = -17 17 54.149 [2]
Star Magnitudes : G = 13.79 mag, RP = 12.81 mag, BP = 14.8 mag
Object Magnitude : V = 13.12 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 9.8 sec
Object Mean Diameter : 57 km (src: astorb)
Speed of the shadow : 5.8 km/s
Elongation to Moon & Sun : 22° (sunlit = 56%), Sun = 116°
Cross-track uncertainty : 1.0 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#105
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
