2023-09-27 / UCAC4 618-008572 / (138637) 2000 RN20
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Zdenek Sikac |
O- |
VID |
T150 |
CZ |
NTP |
02:25:01 |
|
|
02:29:02 |
|
|
|
|
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] : 13e21200-ddb4-11f0-547e-450dfe5f9c5e [observed]
Occultation Date + Time : 2023-09-27 at 02:24:39 UT +/- 0.03 min [1]
Object Designation : (138637) 2000 RN20
Orbit Class : MBA
Star Designation : GDR3 0136718880731452032
Star Coordinates (ICRF) : RA = 02 55 37.0102, DE = +33 35 26.530 [2]
Star Magnitudes : G = 11.28 mag, RP = 10.82 mag, BP = 11.58 mag
Object Magnitude : V = 19.09 mag
Estimated Magnitude Drop : 7.8 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 4.8 km (src: astorb)
Speed of the shadow : 6.1 km/s
Elongation to Moon & Sun : 82° (sunlit = 92%), Sun = 130°
Cross-track uncertainty : 1.3 mas = 2 km = 0.42 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#42
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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