2025-09-19 / UCAC4 355-167175 / (8340) Mumma
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Konrad Guhl
O+
VID
M306
DE
GPS
19:30:54
19:32:33.56
19:32:36.86
19:33:04
0.470
0.470
3.30
29.4
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 75a61e20-ddb7-11f0-547e-438bffaea9e4 for map and profile fit
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Event Details
Occultation UUID [and DB] : 75a61e20-ddb7-11f0-547e-438bffaea9e4 [observed]
Occultation Date + Time : 2025-09-19 at 19:27:56 UT +/- 0.01 min [1]
Object Designation : (8340) Mumma
Orbit Class : MBA
Star Designation : GDR3 4086326134182665984
Star Coordinates (ICRF) : RA = 18 51 40.8604, DE = -19 05 16.358 [2]
Star Magnitudes : G = 12.96 mag, RP = 12.13 mag, BP = 13.69 mag
Object Magnitude : V = 17.55 mag
Estimated Magnitude Drop : 4.6 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 12.2 km (src: astorb)
Speed of the shadow : 8.9 km/s
Elongation to Moon & Sun : 128° (sunlit = 4%), Sun = 105°
Cross-track uncertainty : 0.7 mas = 1 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#76
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)
