2024-12-30 / UCAC4 563-029577 / (83317) 2001 RQ121
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
CCD
M280
ES
NTP
05:06:29
05:10:29
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction d7a9bd90-ddb5-11f0-547e-43b81fef0942 for map and profile fit
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Event Details
Occultation UUID [and DB] : d7a9bd90-ddb5-11f0-547e-43b81fef0942 [observed]
Occultation Date + Time : 2024-12-30 at 05:14:27 UT +/- 0.01 min [1]
Object Designation : (83317) 2001 RQ121
Orbit Class : MBA
Star Designation : GDR3 3376486310666744064
Star Coordinates (ICRF) : RA = 06 28 53.3054, DE = +22 34 14.517 [2]
Star Magnitudes : G = 12.76 mag, RP = 12.34 mag, BP = 12.99 mag
Object Magnitude : V = 18.52 mag
Estimated Magnitude Drop : 5.8 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 4.1 km (src: astorb)
Speed of the shadow : 12.4 km/s
Elongation to Moon & Sun : 171° (sunlit = 1%), Sun = 178°
Cross-track uncertainty : 2.8 mas = 3 km = 0.96 path-width (1-sig)
RUWE and duplicate source : 21.27 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#42
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)
