2026-08-08 / J180108.73-151205.1 / (91557) 1999 RW222
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Ferran Casarramona
O-
VID
M200
ES
GPS
22:31:02
::
::
22:36:01
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 34d10840-d9ad-11f1-43f3-2b2afe5248e6 for map and profile fit
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Event Details
Occultation UUID [and DB] : 34d10840-d9ad-11f1-43f3-2b2afe5248e6 [observed]
Occultation Date + Time : 2026-08-08 at 22:44:48 UT +/- 0.18 min [1]
Object Designation : (91557) 1999 RW222
Orbit Class : MBA
Star Designation : GDR3 4145464196064622848
Star Coordinates (ICRF) : RA = 18 01 08.7267, DE = -15 12 05.088 [2]
Star Magnitudes : G = 13.74 mag, RP = 12.09 mag, BP = 18.38 mag
Object Magnitude : V = 19.59 mag
Estimated Magnitude Drop : 5.9 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 3.1 km (src: astorb)
Speed of the shadow : 3.8 km/s
Elongation to Moon & Sun : 166° (sunlit = 19%), Sun = 133°
Cross-track uncertainty : 24.0 mas = 32 km = 10.48 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL40
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)
