2023-08-08 / TYC 5234-01564-1 / (52246) Donaldjohanson
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Konrad Guhl
O-
CCD
M306
DE
GPS
20:45:58
20:47:10
2
show Mikhail Ashchepkau, Michel Turchenko
O-
VID
M150
BY
PHONE
20:44:56
20:46:08
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction ea4377e0-ddb3-11f0-547e-7915bcb6110e for map and profile fit
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Event Details
Occultation UUID [and DB] : ea4377e0-ddb3-11f0-547e-7915bcb6110e [observed]
Occultation Date + Time : 2023-08-08 at 20:43:13 UT +/- 0.02 min [1]
Object Designation : (52246) Donaldjohanson
Orbit Class : MBA
Star Designation : GDR3 2652752435449859328
Star Coordinates (ICRF) : RA = 22 41 11.5494, DE = -01 27 06.032 [2]
Star Magnitudes : G = 8.89 mag, RP = 7.99 mag, BP = 9.75 mag
Object Magnitude : V = 19.64 mag
Estimated Magnitude Drop : 10.8 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.6 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 70° (sunlit = 45%), Sun = 154°
Cross-track uncertainty : 3.7 mas = 4 km = 1.82 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#22
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)
