2023-07-08 / TYC 6293-02223-1 / (78402) 2002 QW8
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Konrad Guhl
O-
CCD
M306
DE
GPS
23:40:59
23:41:38
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: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction cad11570-ddb3-11f0-547e-c3ca4bae2831 for map and profile fit
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Event Details
Occultation UUID [and DB] : cad11570-ddb3-11f0-547e-c3ca4bae2831 [observed]
Occultation Date + Time : 2023-07-08 at 23:44:13 UT +/- 0.1 min [1]
Object Designation : (78402) 2002 QW8
Orbit Class : MBA
Star Designation : GDR3 4079063039568601984
Star Coordinates (ICRF) : RA = 18 52 06.9693, DE = -21 10 26.864 [2]
Star Magnitudes : G = 11.3 mag, RP = 10.98 mag, BP = 11.48 mag
Object Magnitude : V = 18.64 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.4 km (src: astorb)
Speed of the shadow : 10.8 km/s
Elongation to Moon & Sun : 80° (sunlit = 62%), Sun = 175°
Cross-track uncertainty : 28.3 mas = 36 km = 10.63 path-width (1-sig)
RUWE and duplicate source : 0.72 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#38
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)