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] : 47ba56d0-145a-4018-a9bf-bcae062920d4 [observed]
Occultation Date + Time : 2022-10-01 at 21:48:49 UT +/- 0.04 min [1]
Object Designation : (2313) Aruna
Orbit Class : MBA
Star Designation : GDR3 6886541113478401152
Star Coordinates (ICRF) : RA = 20 49 46.7110, DE = -14 51 41.766 [2]
Star Magnitudes : G = 12.48 mag, RP = 11.81 mag, BP = 13.0 mag
Object Magnitude : V = 16.38 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 2.9 sec
Object Mean Diameter : 16 km (src: astorb)
Speed of the shadow : 5.4 km/s
Elongation to Moon & Sun : 47° (sunlit = 38%), Sun = 122°
Cross-track uncertainty : 4.3 mas = 3 km = 0.26 path-width (1-sig)
RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#46
Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0