2023-07-12 / UCAC4 430-099857 / (108660) 2001 NM20
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Rui Goncalves
O-
VID
M256
PT
GPS
23:10:51
23:12:50
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):
Using prediction cd26ec50-ddb3-11f0-547e-d2b6ebfe18a2 for map and profile fit
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Event Details
Occultation UUID [and DB] : cd26ec50-ddb3-11f0-547e-d2b6ebfe18a2 [observed]
Occultation Date + Time : 2023-07-12 at 23:09:02 UT +/- 0.0 min [1]
Object Designation : (108660) 2001 NM20
Orbit Class : MBA
Star Designation : GDR3 4211910672981404160
Star Coordinates (ICRF) : RA = 19 25 01.0467, DE = -04 07 23.762 [2]
Star Magnitudes : G = 11.12 mag, RP = 10.12 mag, BP = 12.02 mag
Object Magnitude : V = 18.47 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 7.0 km (src: astorb)
Speed of the shadow : 15.2 km/s
Elongation to Moon & Sun : 121° (sunlit = 21%), Sun = 162°
Cross-track uncertainty : 0.3 mas = 0 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#57
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)
