2025-09-30 / UCAC4 612-035507 / (2212) Hephaistos
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Simon Kidd |
O+ |
VID |
M350 |
GB |
GPS |
04:27:30 |
04:28:30.88 |
04:28:31.11 |
04:29:30 |
0.060 |
0.030 |
0.23 |
3.3 |
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] : 79c4d8b0-ddb8-11f0-547e-8002fddf38c9 [observed]
Occultation Date + Time : 2025-09-30 at 04:29:39 UT +/- 0.0 min [1]
Object Designation : (2212) Hephaistos
Orbit Class : NEO
Star Designation : GDR3 0937601741654728192
Star Coordinates (ICRF) : RA = 06 47 41.1720, DE = +32 23 54.502 [2]
Star Magnitudes : G = 14.47 mag, RP = 13.98 mag, BP = 14.79 mag
Object Magnitude : V = 18.95 mag
Estimated Magnitude Drop : 4.5 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 6.9 km (src: astorb)
Speed of the shadow : 14.3 km/s
Elongation to Moon & Sun : 175° (sunlit = 52%), Sun = 87°
Cross-track uncertainty : 0.2 mas = 0 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#741
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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