2024-08-08 / UCAC4 407-088118 / (20120) Ryugatake
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Pierre Le Cam
O+
VID
M500
FR
GPS
21:58:21
21:59:11.67
21:59:12.14
22:00:01
0.03
0.03
0.47
2.5
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 34c0b930-ddb5-11f0-547e-291dfcf7c999 for map and profile fit
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Event Details
Occultation UUID [and DB] : 34c0b930-ddb5-11f0-547e-291dfcf7c999 [observed]
Occultation Date + Time : 2024-08-08 at 22:00:23 UT +/- 0.01 min [1]
Object Designation : (20120) Ryugatake
Orbit Class : MBA
Star Designation : GDR3 4251557408704309760
Star Coordinates (ICRF) : RA = 18 47 15.7925, DE = -08 44 41.133 [2]
Star Magnitudes : G = 12.87 mag, RP = 11.87 mag, BP = 13.9 mag
Object Magnitude : V = 17.77 mag
Estimated Magnitude Drop : 4.9 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 4.8 km (src: astorb)
Speed of the shadow : 5.4 km/s
Elongation to Moon & Sun : 96° (sunlit = 17%), Sun = 143°
Cross-track uncertainty : 1.3 mas = 1 km = 0.29 path-width (1-sig)
RUWE and duplicate source : 1.01 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)
