2025-09-12 / TYC 2250-00729-1 / (121229) 1999 RC30
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Sven Andersson |
O+ |
VID |
M360 |
DE |
GPS |
21:26:41 |
21:27:11.477 |
21:27:11.812 |
21:27:41 |
0.009 |
0.009 |
0.34 |
5.0 |
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 |
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Occultation UUID [and DB] : 6cc04920-ddb7-11f0-547e-8701fffa8bc6 [observed]
Occultation Date + Time : 2025-09-12 at 21:24:49 UT +/- 0.01 min [1]
Object Designation : (121229) 1999 RC30
Orbit Class : MBA
Star Designation : GDR3 2840056508985366528
Star Coordinates (ICRF) : RA = 23 26 50.7315, DE = +24 10 48.017 [2]
Star Magnitudes : G = 11.42 mag, RP = 10.9 mag, BP = 11.77 mag
Object Magnitude : V = 18.81 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 3.5 km (src: astorb)
Speed of the shadow : 14.8 km/s
Elongation to Moon & Sun : 58° (sunlit = 68%), Sun = 152°
Cross-track uncertainty : 3.7 mas = 4 km = 1.27 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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