2023-12-27 / TYC 1247-00536-1 / (2835) Ryoma
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Ferran Casarramona
O-
VID
M200
ES
GPS
22:27:02
22:29:01
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 4f733f10-ddb4-11f0-547e-2c16e7eca930 for map and profile fit
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Event Details
Occultation UUID [and DB] : 4f733f10-ddb4-11f0-547e-2c16e7eca930 [observed]
Occultation Date + Time : 2023-12-27 at 22:33:47 UT +/- 0.01 min [1]
Object Designation : (2835) Ryoma
Orbit Class : MBA
Star Designation : GDR3 0064256597695031168
Star Coordinates (ICRF) : RA = 03 38 32.8947, DE = +21 17 02.357 [2]
Star Magnitudes : G = 10.45 mag, RP = 9.91 mag, BP = 10.82 mag
Object Magnitude : V = 16.38 mag
Estimated Magnitude Drop : 5.9 mag
Estimated Max. Duration : 4.6 sec
Object Mean Diameter : 25.2 km (src: astorb)
Speed of the shadow : 5.5 km/s
Elongation to Moon & Sun : 49° (sunlit = 99%), Sun = 141°
Cross-track uncertainty : 1.2 mas = 1 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 9.43 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#67
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)
