2022-12-27 / TYC 2910-00548-1 / (21771) 1999 RQ211
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Rui Goncalves
O-
VID
M256
PT
GPS
20:01:02
20:02:58
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 400095b0-ddb3-11f0-547e-b9f7edfd7173 for map and profile fit
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Event Details
Occultation UUID [and DB] : 400095b0-ddb3-11f0-547e-b9f7edfd7173 [observed]
Occultation Date + Time : 2022-12-27 at 19:56:54 UT +/- 0.01 min [1]
Object Designation : (21771) 1999 RQ211
Orbit Class : MBA
Star Designation : GDR3 0190354737266692480
Star Coordinates (ICRF) : RA = 05 30 42.5244, DE = +37 49 09.393 [2]
Star Magnitudes : G = 10.26 mag, RP = 9.78 mag, BP = 10.56 mag
Object Magnitude : V = 18.26 mag
Estimated Magnitude Drop : 8.0 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 3.7 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 107° (sunlit = 26%), Sun = 161°
Cross-track uncertainty : 0.7 mas = 0 km = 0.21 path-width (1-sig)
RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
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)
