2025-10-18 / UCAC4 631-014006 / (31819) 1999 RS150
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Deborah Smith |
O+ |
VID |
M300 |
ES |
GPS |
22:05:01 |
22:06:00.181 |
22:06:03.429 |
22:07:01 |
0.004 |
0.004 |
3.25 |
40.6 |
| 2 |
show |
Ferran Casarramona |
O- |
VID |
M200 |
ES |
GPS |
22:05:02 |
:: |
:: |
22:07:02 |
|
|
|
|
| 3 |
show |
Deborah Smith |
O- |
VID |
M200 |
ES |
GPS |
22:05:03 |
:: |
:: |
22:07:03 |
|
|
|
|
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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3 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
| Map with groundtrack and observer stations |
|---|
| Event Details |
|
Occultation UUID [and DB] : 942132d0-ddb8-11f0-547e-dd12f9b61966 [observed]
Occultation Date + Time : 2025-10-18 at 21:59:48 UT +/- 0.05 min [1]
Object Designation : (31819) 1999 RS150
Orbit Class : JTRO
Star Designation : GDR3 0220044166853883392
Star Coordinates (ICRF) : RA = 03 49 01.9128, DE = +36 07 02.928 [2]
Star Magnitudes : G = 10.72 mag, RP = 9.95 mag, BP = 11.36 mag
Object Magnitude : V = 18.87 mag
Estimated Magnitude Drop : 8.1 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 17.5 km (src: astorb)
Speed of the shadow : 12.5 km/s
Elongation to Moon & Sun : 113° (sunlit = 6%), Sun = 140°
Cross-track uncertainty : 3.3 mas = 10 km = 0.61 path-width (1-sig)
RUWE and duplicate source : 1.17 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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