2026-05-25 / UCAC4 466-076434 / (33800) Gross
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jean-Baptiste Marquette
O+
VID
M304
FR
GPS
22:14:06
22:16:03.01
22:16:06.0
22:17:24
0.221
0.221
2.99
26.9
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 3c632c80-344b-11f1-6999-38e7d6ffab01 for map and profile fit
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Event Details
Occultation UUID [and DB] : 3c632c80-344b-11f1-6999-38e7d6ffab01 [asteroids]
Occultation Date + Time : 2026-05-25 at 22:07:37 UT +/- 0.01 min [1]
Object Designation : (33800) Gross
Orbit Class : MBA
Star Designation : GDR3 4277772995730346240
Star Coordinates (ICRF) : RA = 18 17 57.1898, DE = +03 01 52.880 [2]
Star Magnitudes : G = 12.53 mag, RP = 11.72 mag, BP = 13.24 mag
Object Magnitude : V = 17.15 mag
Estimated Magnitude Drop : 4.6 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 12.6 km (src: astorb)
Speed of the shadow : 9.0 km/s
Elongation to Moon & Sun : 92° (sunlit = 75%), Sun = 141°
Cross-track uncertainty : 0.7 mas = 1 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
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)
