2025-10-12 / UCAC4 333-111237 / (464) Megaira
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O+
VID
M200
ES
GPS
18:59:08
19:01:07.325
19:01:10.325
19:03:08
0.836
0.836
3.00
89.7
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 8cc77c10-ddb8-11f0-547e-ff6456ef4cbe for map and profile fit
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Event Details
Occultation UUID [and DB] : 8cc77c10-ddb8-11f0-547e-ff6456ef4cbe [observed]
Occultation Date + Time : 2025-10-12 at 18:59:45 UT +/- 0.0 min [1]
Object Designation : (464) Megaira
Orbit Class : MBA
Star Designation : GDR3 4110652592814673280
Star Coordinates (ICRF) : RA = 17 31 58.8724, DE = -23 34 30.247 [2]
Star Magnitudes : G = 14.69 mag, RP = 13.28 mag, BP = 17.25 mag
Object Magnitude : V = 15.03 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 2.5 sec
Object Mean Diameter : 74.0 km (src: astorb)
Speed of the shadow : 29.9 km/s
Elongation to Moon & Sun : 166° (sunlit = 61%), Sun = 64°
Cross-track uncertainty : 0.8 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#120
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)
