2025-09-04 / UCAC4 435-000769 / (1871) Astyanax
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Didier Walliang, Isabelle Auvray
O-
CCD
M2500
FR
GPS
00:33:09
::
::
00:37:02
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 60a25390-ddb7-11f0-547e-d4e3ffd941e2 for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
Occultation UUID [and DB] : 60a25390-ddb7-11f0-547e-d4e3ffd941e2 [observed]
Occultation Date + Time : 2025-09-04 at 00:37:37 UT +/- 0.04 min [1]
Object Designation : (1871) Astyanax
Orbit Class : JTRO
Star Designation : GDR3 2528684161847747456
Star Coordinates (ICRF) : RA = 00 34 34.2426, DE = -03 03 12.601 [2]
Star Magnitudes : G = 13.0 mag, RP = 12.47 mag, BP = 13.37 mag
Object Magnitude : V = 18.3 mag
Estimated Magnitude Drop : 5.3 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 19.4 km (src: astorb)
Speed of the shadow : 14.0 km/s
Elongation to Moon & Sun : 72° (sunlit = 84%), Sun = 154°
Cross-track uncertainty : 2.7 mas = 8 km = 0.42 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#62
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)
