2025-08-25 / UCAC4 520-001388 / (51627) 2001 HK38
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Joachim Siegert
O+
VID
M203
DE
GPS
23:30:36
23:31:37.55
23:31:40.28
23:32:36
0.100
0.130
2.73
6.0
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):
Using prediction 518268a0-ddb7-11f0-547e-24e0bffb5438 for map and profile fit
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Event Details
Occultation UUID [and DB] : 518268a0-ddb7-11f0-547e-24e0bffb5438 [observed]
Occultation Date + Time : 2025-08-25 at 23:34:19 UT +/- 0.1 min [1]
Object Designation : (51627) 2001 HK38
Orbit Class : MBA
Star Designation : GDR3 2777676713214601856
Star Coordinates (ICRF) : RA = 00 50 11.3476, DE = +13 49 13.530 [2]
Star Magnitudes : G = 14.13 mag, RP = 13.57 mag, BP = 14.53 mag
Object Magnitude : V = 18.07 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 4.5 km (src: astorb)
Speed of the shadow : 2.2 km/s
Elongation to Moon & Sun : 166° (sunlit = 8%), Sun = 136°
Cross-track uncertainty : 2.3 mas = 2 km = 0.56 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
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)
