2026-03-15 / UCAC4 452-051527 / (3495) Colchagua
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Vitali Nevski
O+
VID
M300
BY
GPS
00:02:13
00:03:42.38
00:03:44.37
00:05:13
0.050
0.050
1.99
21.9
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 adf3a090-de75-11f0-4858-0045bfdbf5b0 for map and profile fit
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Event Details
Occultation UUID [and DB] : adf3a090-de75-11f0-4858-0045bfdbf5b0 [asteroids]
Occultation Date + Time : 2026-03-15 at 00:01:30 UT +/- 0.01 min [1]
Object Designation : (3495) Colchagua
Orbit Class : MBA
Star Designation : GDR3 3696583591805183616
Star Coordinates (ICRF) : RA = 12 30 47.8819, DE = +00 13 45.109 [2]
Star Magnitudes : G = 13.31 mag, RP = 12.66 mag, BP = 13.8 mag
Object Magnitude : V = 16.02 mag
Estimated Magnitude Drop : 2.8 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 14.7 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 118° (sunlit = 18%), Sun = 167°
Cross-track uncertainty : 1.0 mas = 1 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#68
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)
