2023-12-04 / TYC 2866-00760-1 / (66039) 1998 QS74
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anna Marciniak
O+
CCD
M350
PL
GPS
05:17:40
05:18:37.950
05:18:38.840
05:19:41
0.06
0.06
0.89
11.7
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 4224dfd0-ddb4-11f0-547e-e2c4eff3a106 for map and profile fit
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Event Details
Occultation UUID [and DB] : 4224dfd0-ddb4-11f0-547e-e2c4eff3a106 [observed]
Occultation Date + Time : 2023-12-04 at 05:25:45 UT +/- 0.0 min [1]
Object Designation : (66039) 1998 QS74
Orbit Class : MBA
Star Designation : GDR3 0236706337861821184
Star Coordinates (ICRF) : RA = 03 36 08.9718, DE = +40 36 58.864 [2]
Star Magnitudes : G = 10.92 mag, RP = 10.43 mag, BP = 11.23 mag
Object Magnitude : V = 18.27 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 5.5 km (src: astorb)
Speed of the shadow : 13.1 km/s
Elongation to Moon & Sun : 88° (sunlit = 60%), Sun = 157°
Cross-track uncertainty : 0.5 mas = 0 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 3.22 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
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)
