2023-11-08 / UCAC4 419-001602 / (1845) Helewalda
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Martin Gutekunst
O+
CCD
L280
DE
GPS
20:41:12
20:41:40.480
20:41:41.830
20:42:12
0.15
0.15
1.35
12.3
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):
Using prediction 366cb0f0-ddb4-11f0-547e-3c9efd7d2e32 for map and profile fit
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Event Details
Occultation UUID [and DB] : 366cb0f0-ddb4-11f0-547e-3c9efd7d2e32 [observed]
Occultation Date + Time : 2023-11-08 at 20:42:24 UT +/- 0.01 min [1]
Object Designation : (1845) Helewalda
Orbit Class : MBA
Star Designation : GDR3 2481632382802424448
Star Coordinates (ICRF) : RA = 01 21 33.3708, DE = -06 21 03.526 [2]
Star Magnitudes : G = 13.96 mag, RP = 13.29 mag, BP = 14.49 mag
Object Magnitude : V = 15.82 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 19.1 km (src: astorb)
Speed of the shadow : 9.1 km/s
Elongation to Moon & Sun : 156° (sunlit = 19%), Sun = 147°
Cross-track uncertainty : 1.1 mas = 1 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 7.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#69
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)
