2021-12-19 / 4UC 472-002506 / (275007) 2009 TW40
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show P. Andre et al
O+
VID
M300
FR
GPS++
19:20:40
19:25:31.67
19:25:32.95
19:28:12
0.32
0.32
1.28
3.7
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: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 2f0fbf50-55ba-4ce5-9354-82767d2cfd32 for map and profile fit
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Event Details
Occultation UUID [and DB] : 2f0fbf50-55ba-4ce5-9354-82767d2cfd32 [observed]
Occultation Date + Time : 2021-12-19 at 19:46:18 UT +/- 0.9 min [1]
Object Designation : (275007) 2009 TW40
Orbit Class : JTRO
Star Designation : GDR3 2512951353044180864
Star Coordinates (ICRF) : RA = 01 52 05.4089, DE = +04 14 02.668 [2]
Star Magnitudes : G = 13.83 mag, RP = 12.93 mag, BP = 14.67 mag
Object Magnitude : V = 20.56 mag
Estimated Magnitude Drop : 6.7 mag
Estimated Max. Duration : 2.4 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 2.9 km/s
Elongation to Moon & Sun : 68° (sunlit = 100%), Sun = 119°
Cross-track uncertainty : 16.7 mas = 50 km = 7.12 path-width (1-sig)
RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#24
[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)