2025-09-29 / UCAC4 595-008606 / (19615) 1999 OB3
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Anna Marciniak |
O+ |
CCD |
M400 |
PL |
GPS |
21:41:25 |
21:43:17.5 |
21:43:22.8 |
21:45:27 |
0.400 |
0.400 |
5.30 |
17.0 |
| 2 |
show |
Zdenek Sikac |
O- |
VID |
T150 |
CZ |
NTP |
21:43:50 |
:: |
:: |
21:45:50 |
|
|
|
|
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] : 9b52ef30-ddb8-11f0-547e-bb20ddffc82e [observed]
Occultation Date + Time : 2025-09-29 at 21:32:09 UT +/- 0.01 min [1]
Object Designation : (19615) 1999 OB3
Orbit Class : MBA
Star Designation : GDR3 0119177031703446656
Star Coordinates (ICRF) : RA = 03 19 52.8722, DE = +28 53 42.788 [2]
Star Magnitudes : G = 14.57 mag, RP = 13.71 mag, BP = 15.32 mag
Object Magnitude : V = 16.97 mag
Estimated Magnitude Drop : 2.5 mag
Estimated Max. Duration : 3.7 sec
Object Mean Diameter : 11.8 km (src: astorb)
Speed of the shadow : 3.2 km/s
Elongation to Moon & Sun : 139° (sunlit = 49%), Sun = 131°
Cross-track uncertainty : 0.2 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#72
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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