2023-09-04 / UCAC4 345-098140 / (12721) 1991 PB
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Sven Andersson, Martina Haupt |
O- |
VID |
M360 |
DE |
GPS |
19:29:00 |
|
|
19:30:30 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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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] : fdf98cc0-ddb3-11f0-547e-5dfc7dd9ec70 [observed]
Occultation Date + Time : 2023-09-04 at 19:28:41 UT +/- 0.0 min [1]
Object Designation : (12721) 1991 PB
Orbit Class : MBA
Star Designation : GDR3 4115093520223240320
Star Coordinates (ICRF) : RA = 17 21 57.2011, DE = -21 06 33.606 [2]
Star Magnitudes : G = 13.49 mag, RP = 12.42 mag, BP = 14.68 mag
Object Magnitude : V = 17.3 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 5.7 km (src: astorb)
Speed of the shadow : 14.1 km/s
Elongation to Moon & Sun : 145° (sunlit = 72%), Sun = 99°
Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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