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):
Occultation UUID [and DB] : 4a1d959e-ca26-4ae3-a6dc-d4f49cf69a41 [observed]
Occultation Date + Time : 2021-09-16 at 01:22:22 UT +/- 0.01 min [1]
Object Designation : (2167) Erin
Orbit Class : MBA
Star Designation : GDR3 2754459150805025920
Star Coordinates (ICRF) : RA = 00 21 46.4537, DE = +11 25 39.758 [2]
Star Magnitudes : G = 12.58 mag, RP = 12.14 mag, BP = 12.86 mag
Object Magnitude : V = 16.7 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 12 km (src: astorb)
Speed of the shadow : 12.9 km/s
Elongation to Moon & Sun : 78° (sunlit = 74%), Sun = 162°
Cross-track uncertainty : 2.3 mas = 3 km = 0.29 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0