2024-11-24 / UCAC4 508-045501 / (21909) 1999 VR21
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Oscar Canales |
O+ |
CCD |
M280 |
ES |
GPS |
00:56:16 |
00:57:45.23 |
00:57:46.83 |
00:59:16 |
0.58 |
0.58 |
1.60 |
6.7 |
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] : ada3fd30-ddb5-11f0-547e-69c8bfdef46e [observed]
Occultation Date + Time : 2024-11-24 at 01:16:04 UT +/- 0.03 min [1]
Object Designation : (21909) 1999 VR21
Orbit Class : MBA
Star Designation : GDR3 3150942390948244864
Star Coordinates (ICRF) : RA = 07 57 37.3581, DE = +11 35 10.294 [2]
Star Magnitudes : G = 14.22 mag, RP = 13.53 mag, BP = 14.75 mag
Object Magnitude : V = 18.75 mag
Estimated Magnitude Drop : 4.6 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 3.9 km (src: astorb)
Speed of the shadow : 4.2 km/s
Elongation to Moon & Sun : 45° (sunlit = 41%), Sun = 123°
Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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