2026-05-25 / UCAC4 327-115665 / (31542) 1999 DR3
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Andreas Schweizer
O-
VID
M250
CH
GPS
01:17:09
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::
01:18:09
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 03bb3220-344a-11f1-6999-8ef2e6ffbaa6 for map and profile fit
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Event Details
Occultation UUID [and DB] : 03bb3220-344a-11f1-6999-8ef2e6ffbaa6 [asteroids]
Occultation Date + Time : 2026-05-25 at 01:21:50 UT +/- 0.01 min [1]
Object Designation : (31542) 1999 DR3
Orbit Class : MBA
Star Designation : GDR3 4067633852393875968
Star Coordinates (ICRF) : RA = 17 53 06.0133, DE = -24 45 51.273 [2]
Star Magnitudes : G = 12.98 mag, RP = 12.04 mag, BP = 13.89 mag
Object Magnitude : V = 16.58 mag
Estimated Magnitude Drop : 3.6 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 11.9 km (src: astorb)
Speed of the shadow : 10.0 km/s
Elongation to Moon & Sun : 95° (sunlit = 67%), Sun = 155°
Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.99 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)
