2025-09-28 / UCAC4 447-001105 / (30690) 4633 T-2
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anton Zhdanov
O-
VID
M200
RU
NTP
23:30:00
::
::
23:32:30
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 7b4f9760-ddb8-11f0-547e-c367f5f716d4 for map and profile fit
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Event Details
Occultation UUID [and DB] : 7b4f9760-ddb8-11f0-547e-c367f5f716d4 [observed]
Occultation Date + Time : 2025-09-28 at 23:35:47 UT +/- 0.02 min [1]
Object Designation : (30690) 4633 T-2
Orbit Class : MBA
Star Designation : GDR3 2536022989645572608
Star Coordinates (ICRF) : RA = 00 55 01.4971, DE = -00 43 32.602 [2]
Star Magnitudes : G = 12.89 mag, RP = 12.36 mag, BP = 13.26 mag
Object Magnitude : V = 18.98 mag
Estimated Magnitude Drop : 6.1 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.3 km (src: astorb)
Speed of the shadow : 12.0 km/s
Elongation to Moon & Sun : 107° (sunlit = 40%), Sun = 171°
Cross-track uncertainty : 4.3 mas = 5 km = 1.73 path-width (1-sig)
RUWE and duplicate source : 0.87 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#49
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)
