2025-12-14 / Other J020915.80+133143.5 / (325703) 2009 UL57
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Michael Kohl
O-
VID
M200
CH
GPS
21:40:41
::
::
21:42:16
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 daef4440-ddb8-11f0-547e-d2c1d59007f2 for map and profile fit
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Event Details
Occultation UUID [and DB] : daef4440-ddb8-11f0-547e-d2c1d59007f2 [observed]
Occultation Date + Time : 2025-12-14 at 21:52:09 UT +/- 0.2 min [1]
Object Designation : (325703) 2009 UL57
Orbit Class : MBA
Star Designation : GDR3 0077132772208655232
Star Coordinates (ICRF) : RA = 02 09 15.8038, DE = +13 31 43.495 [2]
Star Magnitudes : G = 9.96 mag, RP = 8.99 mag, BP = 10.93 mag
Object Magnitude : V = 21.08 mag
Estimated Magnitude Drop : 11.1 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 2.4 km (src: astorb)
Speed of the shadow : 6.3 km/s
Elongation to Moon & Sun : 172° (sunlit = 22%), Sun = 132°
Cross-track uncertainty : 17.7 mas = 32 km = 13.50 path-width (1-sig)
RUWE and duplicate source : 1.79 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#31
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)