2024-08-22 / UCAC4 347-125035 / (139387) 2001 NH3
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Eric Barbotin |
O- |
VID |
T504 |
FR |
NTP |
20:32:53 |
|
|
20:35:53 |
|
|
|
|
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] : 4bee4190-ddb5-11f0-547e-f2edf1f42f1d [observed]
Occultation Date + Time : 2024-08-22 at 20:49:54 UT +/- 0.26 min [1]
Object Designation : (139387) 2001 NH3
Orbit Class : MBA
Star Designation : GDR3 4070939877696845696
Star Coordinates (ICRF) : RA = 18 03 05.7828, DE = -20 38 12.049 [2]
Star Magnitudes : G = 11.36 mag, RP = 10.23 mag, BP = 12.71 mag
Object Magnitude : V = 20.33 mag
Estimated Magnitude Drop : 9.0 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 2.4 km (src: astorb)
Speed of the shadow : 4.3 km/s
Elongation to Moon & Sun : 103° (sunlit = 87%), Sun = 120°
Cross-track uncertainty : 19.7 mas = 27 km = 11.60 path-width (1-sig)
RUWE and duplicate source : 1.17 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#34
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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