2023-09-10 / UCAC4 485-133756 / (420715) 2012 ML7
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Peter Delincak |
O- |
VID |
M400 |
SK |
NTP |
21:19:59 |
|
|
21:24:09 |
|
|
|
|
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] : 0501ef30-ddb4-11f0-547e-ef3ffdee7ef8 [observed]
Occultation Date + Time : 2023-09-10 at 21:23:34 UT +/- 0.07 min [1]
Object Designation : (420715) 2012 ML7
Orbit Class : JTRO
Star Designation : GDR3 2720723655868140416
Star Coordinates (ICRF) : RA = 22 07 03.7572, DE = +06 54 20.065 [2]
Star Magnitudes : G = 13.1 mag, RP = 12.44 mag, BP = 13.6 mag
Object Magnitude : V = 20.61 mag
Estimated Magnitude Drop : 7.5 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 7.1 km (src: astorb)
Speed of the shadow : 16.3 km/s
Elongation to Moon & Sun : 140° (sunlit = 15%), Sun = 159°
Cross-track uncertainty : 19.7 mas = 62 km = 8.82 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#25
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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