2020-05-30 / 4UC 409-057599 / (738) Alagasta
| # | OBS | Observer | Occ | Meth. | Instr. | CC | TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | show | F. Van Den Abbeel | O+ | VID | M200 | BE | GPS++ | 20:53:31 | 20:54:19.60 | 20:54:26.64 | 20:55:30 | 0.16 | 0.16 | 7.04 | 47.9 |
| 2 | show | Jean Bourgeois | O+ | VID | M356 | BE | GPS++ | 20:53:00 | 20:54:23.23 | 20:54:30.13 | 20:55:00 | 0.04 | 0.04 | 6.90 | 46.9 |
| 3 | show | Jiri Polak | O- | VID | M303 | CZ | 20:50:50 | 20:54:50 | |||||||
| 4 | show | Michal Rottenborn | O- | VID | M303 | CZ | 20:50:52 | 20:54:52 | |||||||
| 5 | show | Jiri Kubanek | O- | VID | M203 | CZ | 20:52:35 | 20:55:15 | |||||||
| 6 | show | O. Schreurs et al | O- | VID | M406 | BE | 20:53:05 | 20:55:19 | |||||||
| 7 | show | Jan-Maarten Winkel | O- | VID | M310 | NL | 20:52:50 | 20:55:50 |
7 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):| JPL#62 (23-01-08) : 241dae74-a085-4627-9cc2-09bfe639790a [db: observed] |
Using prediction 241dae74-a085-4627-9cc2-09bfe639790a for map and profile fit
| Ellipse and circular profile fits to the timings (chords) |
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Auto-Fit Result: X0,Y0 = -778.2, 32.3 km Circular diameter = 53 km From 2 chords (VID) You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS). If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser). Check SiMDA for size and mass data. Check Johnston Archive for satellites. |
| Map with groundtrack and observer stations |
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| Event Details |
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Occultation UUID [and DB] : 241dae74-a085-4627-9cc2-09bfe639790a [observed] Occultation Date + Time : 2020-05-30 at 20:51:22 UT +/- 0.04 min [1] Object Designation : (738) Alagasta Star Designation : GDR3 3639334628390674688 Star Coordinates (ICRF) : RA = 14 15 18.2294, DE = -08 12 37.605 [2] Star Magnitudes : G = 12.7 mag, RP = 12.18 mag, BP = 13.06 mag Object Magnitude : V = 14.62 mag Estimated Magnitude Drop : 2.1 mag Estimated Max. Duration : 9.3 sec Object Mean Diameter : 63 km (src: astorb+H10) Speed of the shadow : 6.8 km/s Elongation to Moon & Sun : 45° (sunlit = 58%), Sun = 144° Cross-track uncertainty : 4.0 mas = 5 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#62 (23-01-08) [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0 |
| More Data and Informations |
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(If error 404: link not valid which means no data available)
| Aladin Sky Atlas |
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| Aladin Lite direct link (has Gaia overlay) |