2025-09-17 / UCAC4 428-003225 / (77744) 2001 OB101
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Faustino Garcia
O-
CCD
T250
ES
GPS
00:24:57
::
::
00:26:57
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 6f39d4a0-ddb7-11f0-547e-86b1df7fd99c for map and profile fit
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Event Details
Occultation UUID [and DB] : 6f39d4a0-ddb7-11f0-547e-86b1df7fd99c [observed]
Occultation Date + Time : 2025-09-17 at 00:32:28 UT +/- 0.03 min [1]
Object Designation : (77744) 2001 OB101
Orbit Class : MBA
Star Designation : GDR3 2489060786438779648
Star Coordinates (ICRF) : RA = 02 35 45.1327, DE = -04 27 24.899 [2]
Star Magnitudes : G = 12.85 mag, RP = 12.05 mag, BP = 13.54 mag
Object Magnitude : V = 18.87 mag
Estimated Magnitude Drop : 6.0 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 5.6 km (src: astorb)
Speed of the shadow : 8.5 km/s
Elongation to Moon & Sun : 84° (sunlit = 23%), Sun = 136°
Cross-track uncertainty : 1.0 mas = 1 km = 0.29 path-width (1-sig)
RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
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)
