2023-04-30 / UCAC4 557-044113 / (10305) Grignard
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jiri Kubanek
O+
VID
M200
CZ
GPS
20:50:29
20:52:29.74
20:52:30.25
20:54:32
0.02
0.02
0.51
10.2
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 935374d0-ddb3-11f0-547e-75c0fefa5be9 for map and profile fit
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Event Details
Occultation UUID [and DB] : 935374d0-ddb3-11f0-547e-75c0fefa5be9 [observed]
Occultation Date + Time : 2023-04-30 at 20:50:08 UT +/- 0.0 min [1]
Object Designation : (10305) Grignard
Orbit Class : MBA
Star Designation : GDR3 0676016208735826560
Star Coordinates (ICRF) : RA = 08 15 38.3043, DE = +21 18 13.387 [2]
Star Magnitudes : G = 10.91 mag, RP = 10.51 mag, BP = 11.15 mag
Object Magnitude : V = 19.32 mag
Estimated Magnitude Drop : 8.4 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 5.9 km (src: astorb)
Speed of the shadow : 20.0 km/s
Elongation to Moon & Sun : 42° (sunlit = 77%), Sun = 81°
Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 0.87 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
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)
