2023-07-15 / G184754.0-143355 / (856) Backlunda
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Anna Marciniak |
O+ |
CCD |
M350 |
PL |
GPS |
00:06:51 |
00:07:48.100 |
00:07:51.400 |
00:09:08 |
0.30 |
0.30 |
3.30 |
37.0 |
| 2 |
show |
Andreas Schweizer |
O- |
VID |
L107 |
CH |
GPS |
00:07:54 |
|
|
00:08:55 |
|
|
|
|
| 3 |
show |
Jiri Kubanek |
O- |
VID |
M303 |
CZ |
GPS |
00:05:59 |
|
|
00:10:02 |
|
|
|
|
| 4 |
show |
Tomas Janik |
O- |
VID |
M254 |
CZ |
GPS |
00:06:32 |
|
|
00:09:40 |
|
|
|
|
| 5 |
show |
Anna Marciniak, Paweł Białobłocki |
O- |
CCD |
M400 |
PL |
GPS |
00:06:46 |
|
|
00:08:17 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
5 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Sky projection (artificial light) for occ. time: 2023-07-15, 00:07 UT (JD = 2460140.505)
| DAMIT | Q | P (h) | λ, β | JD0 | JD-JD0 | φ0 | Version | Modified | Vol-equiv D | Cmnt |
|---|
| # 1083 | None | 12.029 |
42°, 44° |
2.445736e6 | 14404.5 | 0.0° |
None | None |
not scaled |
2016-01-04 |
| # 1084 | None | 12.029 |
226°, 73° |
2.445736e6 | 14404.5 | 0.0° |
None | None |
not scaled |
2016-01-04 |
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] : d83b1300-ddb3-11f0-547e-d210fe7e8bc1 [observed]
Occultation Date + Time : 2023-07-15 at 00:14:45 UT +/- 0.0 min [1]
Object Designation : (856) Backlunda
Orbit Class : MBA
Star Designation : GDR3 4101968645591127680
Star Coordinates (ICRF) : RA = 18 47 54.0483, DE = -14 33 55.450 [2]
Star Magnitudes : G = 12.51 mag, RP = 11.04 mag, BP = 15.46 mag
Object Magnitude : V = 13.97 mag
Estimated Magnitude Drop : 1.7 mag
Estimated Max. Duration : 4.7 sec
Object Mean Diameter : 52.0 km (src: astorb)
Speed of the shadow : 11.2 km/s
Elongation to Moon & Sun : 156° (sunlit = 7%), Sun = 167°
Cross-track uncertainty : 0.5 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#112
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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