2024-12-20 / UCAC4 566-023347 / (2688) Halley
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Matthieu Conjat |
O+ |
VID |
T400 |
FR |
GPS |
22:22:54 |
22:23:47.89 |
22:23:49.28 |
22:24:31 |
0.04 |
0.03 |
1.39 |
22.0 |
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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : c6188480-ddb5-11f0-547e-b98ea13f49ca [observed]
Occultation Date + Time : 2024-12-20 at 22:22:02 UT +/- 0.0 min [1]
Object Designation : (2688) Halley
Orbit Class : MBA
Star Designation : GDR3 3425309673522243456
Star Coordinates (ICRF) : RA = 06 09 20.4785, DE = +23 07 18.995 [2]
Star Magnitudes : G = 12.96 mag, RP = 12.57 mag, BP = 13.2 mag
Object Magnitude : V = 16.89 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 21.5 km (src: astorb)
Speed of the shadow : 15.8 km/s
Elongation to Moon & Sun : 65° (sunlit = 69%), Sun = 177°
Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.29 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#71
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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