2023-12-24 / UCAC4 669-041514 / (257395) 2009 SW216
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Stefano Sposetti
O-
VID
M420
CH
GPS
17:35:00
17:37:30
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 7083b26d-9bfc-42de-9edb-0f7868be0953 for map and profile fit
Map with groundtrack and observer stations
Occ by (257395) 2009 SW216 on 2023-12-24
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Event Details
Occultation UUID [and DB] : 7083b26d-9bfc-42de-9edb-0f7868be0953 [observed]
Occultation Date + Time : 2023-12-24 at 17:31:28 UT +/- 0.15 min [1]
Object Designation : (257395) 2009 SW216
Orbit Class : JTRO
Star Designation : GDR3 0196476891026257664
Star Coordinates (ICRF) : RA = 05 49 39.7999, DE = +43 42 17.707 [2]
Star Magnitudes : G = 7.98 mag, RP = 7.1 mag, BP = 8.79 mag
Object Magnitude : V = 19.39 mag
Estimated Magnitude Drop : 11.4 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8.8 km (src: astorb)
Speed of the shadow : 15.3 km/s
Elongation to Moon & Sun : 28° (sunlit = 94%), Sun = 159°
Cross-track uncertainty : 29.0 mas = 75 km = 8.54 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#27
[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)
