2024-01-11 / UCAC4 439-015810 / (23958) 1998 VD30
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Nosal
O+
VID
M250
SK
NTP
21:30:43
21:32:49.06
21:32:52.27
21:34:46
0.04
0.04
3.21
49.8
2
show Jiri Kubanek
O-
VID
M303
CZ
GPS
21:31:40
21:34:40
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
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Event Details
Occultation UUID [and DB] : e3e6fee0-15c2-11ef-67cb-0a04cd75e42b [asteroids]
Occultation Date + Time : 2024-01-11 at 21:32:33 UT +/- 0.03 min [1]
Object Designation : (23958) 1998 VD30
Orbit Class : JTRO
Star Designation : GDR3 3117822588160587136
Star Coordinates (ICRF) : RA = 06 21 21.4349, DE = -02 15 08.146 [2]
Star Magnitudes : G = 12.45 mag, RP = 11.92 mag, BP = 12.81 mag
Object Magnitude : V = 16.95 mag
Estimated Magnitude Drop : 4.5 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 31 km (src: astorb)
Speed of the shadow : 15.5 km/s
Elongation to Moon & Sun : 143° (sunlit = 0%), Sun = 150°
Cross-track uncertainty : 4.0 mas = 11 km = 0.36 path-width (1-sig)
RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#62
[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)