2023-04-28 / UCAC4 527-053691 / (1627) Ivar
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Alexandros Siakas |
O- |
CCD |
T203 |
GR |
GPS |
00:11:09 |
|
|
00:14:09 |
|
|
|
|
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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : 916e6120-ddb3-11f0-547e-4c23fbf0cb40 [observed]
Occultation Date + Time : 2023-04-28 at 00:17:37 UT +/- 0.0 min [1]
Object Designation : (1627) Ivar
Orbit Class : NEO
Star Designation : GDR3 3932688900526827136
Star Coordinates (ICRF) : RA = 12 40 09.3175, DE = +15 13 27.280 [2]
Star Magnitudes : G = 14.44 mag, RP = 13.74 mag, BP = 14.99 mag
Object Magnitude : V = 13.82 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 9.5 km (src: astorb)
Speed of the shadow : 6.9 km/s
Elongation to Moon & Sun : 54° (sunlit = 51%), Sun = 142°
Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#1501
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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