2021-10-23 / 4UC 539-069633 / (12929) Periboea
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show
Peter Nosal
O+
CCD
M250
SK
NTP+
18:41:32
18:42:56.83
18:42:58.43
18:44:30
0.20
0.20
1.60
48.6
2
show
Anna Marciniak
O-
CCD
M350
PL
18:41:41
18:44:10
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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 8c767f1a-f47f-4bec-92c7-1841f679542f for map and profile fit
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Event Details
Occultation UUID [and DB] : 8c767f1a-f47f-4bec-92c7-1841f679542f [observed]
Occultation Date + Time : 2021-10-23 at 18:42:10 UT +/- 0.02 min [1]
Object Designation : (12929) Periboea
Orbit Class : JTRO
Star Designation : GDR3 4523257971863635072
Star Coordinates (ICRF) : RA = 18 14 44.0407, DE = +17 39 57.443 [2]
Star Magnitudes : G = 14.42 mag, RP = 13.77 mag, BP = 14.9 mag
Object Magnitude : V = 17.87 mag
Estimated Magnitude Drop : 3.5 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 34 km (src: astorb)
Speed of the shadow : 30.4 km/s
Elongation to Moon & Sun : 131° (sunlit = 91%), Sun = 71°
Cross-track uncertainty : 1.7 mas = 6 km = 0.19 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
[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)