2023-11-04 / TYC 0585-00890-1 / (30774) 1987 BU1
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Peter Delincak |
O- |
VID |
M400 |
SK |
NTP |
17:42:58 |
|
|
17:47:08 |
|
|
|
|
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] : 33959c20-ddb4-11f0-547e-a6b4bfc51fb5 [observed]
Occultation Date + Time : 2023-11-04 at 18:01:12 UT +/- 0.03 min [1]
Object Designation : (30774) 1987 BU1
Orbit Class : MBA
Star Designation : GDR3 2646347677138876288
Star Coordinates (ICRF) : RA = 23 38 03.1490, DE = +01 51 57.853 [2]
Star Magnitudes : G = 9.73 mag, RP = 9.04 mag, BP = 10.27 mag
Object Magnitude : V = 18.75 mag
Estimated Magnitude Drop : 9.0 mag
Estimated Max. Duration : 1.0 sec
Object Mean Diameter : 3.1 km (src: astorb)
Speed of the shadow : 3.1 km/s
Elongation to Moon & Sun : 129° (sunlit = 56%), Sun = 134°
Cross-track uncertainty : 1.0 mas = 1 km = 0.34 path-width (1-sig)
RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#44
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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