2025-12-30 / TYC 2416-00468-1 / (109701) 2001 RY40
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Malcolm Jennings
O+
VID
M276
GB
GPS
21:43:00
21:45:37.55
21:45:38.16
21:47:00
0.011
0.011
0.61
7.2
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 0c966cf0-d997-11f1-43f3-d542fcbbff25 for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
Occultation UUID [and DB] : 0c966cf0-d997-11f1-43f3-d542fcbbff25 [observed]
Occultation Date + Time : 2025-12-30 at 21:43:27 UT +/- 0.01 min [1]
Object Designation : (109701) 2001 RY40
Orbit Class : MBA
Star Designation : GDR3 0189360920492546432
Star Coordinates (ICRF) : RA = 05 41 48.4471, DE = +37 26 47.069 [2]
Star Magnitudes : G = 11.11 mag, RP = 10.62 mag, BP = 11.4 mag
Object Magnitude : V = 18.63 mag
Estimated Magnitude Drop : 7.5 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.9 km (src: astorb)
Speed of the shadow : 11.8 km/s
Elongation to Moon & Sun : 37° (sunlit = 83%), Sun = 161°
Cross-track uncertainty : 1.3 mas = 1 km = 0.43 path-width (1-sig)
RUWE and duplicate source : 1.25 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL39
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)
