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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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 00f30aa0-11dc-11ef-67cb-491297fddc71 [asteroids]
Occultation Date + Time : 2024-06-29 at 01:55:49 UT +/- 0.01 min [1]
Object Designation : (406) Erna
Orbit Class : MBA
Star Designation : GDR3 4052399367299255680
Star Coordinates (ICRF) : RA = 18 14 21.4339, DE = -27 45 04.216 [2]
Star Magnitudes : G = 14.57 mag, RP = 18.21 mag, BP = 19.44 mag
Object Magnitude : V = 14.07 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 4.5 sec
Object Mean Diameter : 49 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 97° (sunlit = 48%), Sun = 174°
Cross-track uncertainty : 2.8 mas = 3 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 8.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0