2022-12-16 / UCAC4 424-129252 / (409) Aspasia
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
| 1 |
show |
Simon Kidd |
O+ |
VID |
M350 |
GB |
GPS |
19:38:00 |
19:38:57.970 |
19:39:01.320 |
19:40:00 |
0.13 |
0.13 |
3.35 |
116.2 |
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):
Sky projection (artificial light) for occ. time: 2022-12-16, 19:37 UT (JD = 2459930.317)
| DAMIT | Q | P (h) | λ, β | JD0 | JD-JD0 | φ0 | Version | Modified | Vol-equiv D | Cmnt |
| # 215 | None | 9.021 |
3°, 30° |
2.44431e6 | 15620.3 | 0.0° |
None | 2011-04-11 |
173.0 +/- 17.0 km |
2011-03-28 |
| # 715 | 4.0 | 9.021 |
4°, 29° |
2.44431e6 | 15620.3 | 0.0° |
None | 2017-06-19 |
164.0 +/- 3.0 km |
2017-06-19 |
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
Image size: 300px. Transparent image background for copy & paste
| Map with groundtrack and observer stations |
| Event Details |
|
Occultation UUID [and DB] : 39fb2450-ddb3-11f0-547e-302bbedee622 [observed]
Occultation Date + Time : 2022-12-16 at 19:36:53 UT +/- 0.0 min [1]
Object Designation : (409) Aspasia
Orbit Class : MBA
Star Designation : GDR3 6899484980973473792
Star Coordinates (ICRF) : RA = 21 22 01.9325, DE = -05 14 51.243 [2]
Star Magnitudes : G = 11.72 mag, RP = 10.95 mag, BP = 12.35 mag
Object Magnitude : V = 12.92 mag
Estimated Magnitude Drop : 1.5 mag
Estimated Max. Duration : 4.7 sec
Object Mean Diameter : 161.6 km (src: astorb)
Speed of the shadow : 34.7 km/s
Elongation to Moon & Sun : 139° (sunlit = 46%), Sun = 57°
Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#136
Note : FP:true
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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