2023-05-12 / UCAC4 507-076920 / (470309) 2007 JK43
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Anna Marciniak |
O- |
CCD |
M350 |
PL |
GPS |
20:29:37 |
|
|
20:37:08 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : 98f5dea0-ddb3-11f0-547e-e13df7847d6b [observed]
Occultation Date + Time : 2023-05-12 at 20:28:34 UT +/- 1.43 min [1]
Object Designation : (470309) 2007 JK43
Orbit Class : TNO
Star Designation : GDR3 4483611506716815232
Star Coordinates (ICRF) : RA = 18 25 09.6413, DE = +11 16 59.955 [2]
Star Magnitudes : G = 14.93 mag, RP = 14.11 mag, BP = 15.65 mag
Object Magnitude : V = 21.56 mag
Estimated Magnitude Drop : 6.6 mag
Estimated Max. Duration : 5.6 sec
Object Mean Diameter : 119.5 km (src: astorb)
Speed of the shadow : 21.2 km/s
Elongation to Moon & Sun : 60° (sunlit = 47%), Sun = 125°
Cross-track uncertainty : 45.7 mas = 830 km = 6.95 path-width (1-sig)
RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#9
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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