2024-08-16 / UCAC4 408-141709 / (28240) 1999 AP21
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Leszek Benedyktowicz |
O+ |
VID |
M200 |
PL |
GPS |
20:19:42 |
20:20:31.000 |
20:20:32.030 |
20:21:24 |
0.30 |
0.13 |
1.03 |
8.2 |
| 2 |
show |
Marcin Filipek |
O- |
VID |
M250 |
PL |
GPS |
20:20:16 |
|
|
20:20:45 |
|
|
|
|
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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2 observations 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] : 4174ad30-ddb5-11f0-547e-fb9c9fdf2edf [observed]
Occultation Date + Time : 2024-08-16 at 20:16:51 UT +/- 0.01 min [1]
Object Designation : (28240) 1999 AP21
Orbit Class : MBA
Star Designation : GDR3 6894631118172993792
Star Coordinates (ICRF) : RA = 21 37 57.1040, DE = -08 28 29.150 [2]
Star Magnitudes : G = 13.53 mag, RP = 13.03 mag, BP = 13.86 mag
Object Magnitude : V = 16.94 mag
Estimated Magnitude Drop : 3.5 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 3.9 km (src: astorb)
Speed of the shadow : 8.0 km/s
Elongation to Moon & Sun : 40° (sunlit = 89%), Sun = 175°
Cross-track uncertainty : 2.7 mas = 2 km = 0.57 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#53
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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