UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : f6424ed0-c352-11ef-5276-4453d8be4777 [observed]
Occultation Date + Time : 2024-08-16 at 20:16:51 UT +/- 0.01 min [1]
Object Designation : (28240) 1999 AP21
Orbit Class : MBA
Star Designation : GDR3 6894631118172993792
Star Coordinates (ICRF) : RA = 21 37 57.1041, DE = -08 28 29.150 [2]
Star Magnitudes : G = 13.53 mag, RP = 13.03 mag, BP = 13.86 mag
Object Magnitude : V = 16.94 mag
Estimated Magnitude Drop : 3.5 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 8.0 km/s
Elongation to Moon & Sun : 40° (sunlit = 89%), Sun = 175°
Cross-track uncertainty : 2.7 mas = 2 km = 0.58 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#46
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0