2025-09-25 / UCAC4 321-194929 / (8810) Johnmcfarland
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Oscar Canales
O+
CCD
M280
ES
GPS
18:54:35
18:55:20.31
18:55:21.24
18:56:05
0.070
0.070
0.93
15.5
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 75b4a7a0-ddb8-11f0-547e-5f7ccaf3e66b for map and profile fit
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Event Details
Occultation UUID [and DB] : 75b4a7a0-ddb8-11f0-547e-5f7ccaf3e66b [observed]
Occultation Date + Time : 2025-09-25 at 18:54:12 UT +/- 0.01 min [1]
Object Designation : (8810) Johnmcfarland
Orbit Class : MBA
Star Designation : GDR3 4075988182259171072
Star Coordinates (ICRF) : RA = 18 34 35.9044, DE = -25 59 25.909 [2]
Star Magnitudes : G = 11.62 mag, RP = 10.73 mag, BP = 12.46 mag
Object Magnitude : V = 18.12 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 7.6 km (src: astorb)
Speed of the shadow : 16.7 km/s
Elongation to Moon & Sun : 51° (sunlit = 14%), Sun = 95°
Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 0.75 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
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)
