2025-10-07 / UCAC4 534-143813 / (31799) 1999 LN23
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Jocelyn Sérot |
O+ |
VID |
M210 |
FR |
NTP |
19:00:59 |
19:01:41.32 |
19:01:41.81 |
19:02:01 |
0.040 |
0.040 |
0.49 |
5.9 |
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 |
|
Occultation UUID [and DB] : 8703f5b0-ddb8-11f0-547e-815ebe734fe8 [observed]
Occultation Date + Time : 2025-10-07 at 19:00:46 UT +/- 0.0 min [1]
Object Designation : (31799) 1999 LN23
Orbit Class : MBA
Star Designation : GDR3 2820513583155272704
Star Coordinates (ICRF) : RA = 23 32 21.8022, DE = +16 45 31.951 [2]
Star Magnitudes : G = 11.95 mag, RP = 11.43 mag, BP = 12.32 mag
Object Magnitude : V = 17.24 mag
Estimated Magnitude Drop : 5.3 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 7.9 km (src: astorb)
Speed of the shadow : 12.0 km/s
Elongation to Moon & Sun : 27° (sunlit = 99%), Sun = 157°
Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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