2023-07-29 / UCAC4 365-187710 / (27733) 1990 RM7
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Pierre Le Cam |
O- |
VID |
M500 |
FR |
NTP |
21:43:0. |
|
|
21:46:0. |
|
|
|
|
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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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] : e29b7a10-ddb3-11f0-547e-a36db3bee540 [observed]
Occultation Date + Time : 2023-07-29 at 21:42:13 UT +/- 0.01 min [1]
Object Designation : (27733) 1990 RM7
Orbit Class : MBA
Star Designation : GDR3 6835100874290596480
Star Coordinates (ICRF) : RA = 21 27 29.4816, DE = -17 05 29.923 [2]
Star Magnitudes : G = 13.46 mag, RP = 12.94 mag, BP = 13.8 mag
Object Magnitude : V = 18.12 mag
Estimated Magnitude Drop : 4.7 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4.6 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 52° (sunlit = 88%), Sun = 168°
Cross-track uncertainty : 2.0 mas = 2 km = 0.54 path-width (1-sig)
RUWE and duplicate source : 0.96 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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