2007-12-24 / TYC 1783-00860-1 / (198) Ampella
# | OBS | Observer | Occ | Meth. | Instr. | CC | TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
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1 | show | Jose-Luis Marco | O+ | VID | M200 | ES | GPS++ | 01:04:23 | 01:08:27.45 | 01:08:39.29 | 01:09:05 | 11.84 | 58.0 | ||
2 | show | Oscar Canales | O+ | VID | M200 | ES | GPS++ | 01:07:30 | 01:08:10.74 | 01:08:22.82 | 01:09:05 | 0.06 | 0.06 | 12.08 | 59.2 |
2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):JPL#94 : cad7838f-6ce2-4c82-a6a9-e75928dc1609 [db: observed] |
Using prediction cad7838f-6ce2-4c82-a6a9-e75928dc1609 for map and profile fit
Ellipse and circular profile fits to the timings (chords) |
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Auto-Fit Result: X0,Y0 = -3880.3, 35.2 km Circular diameter = 63 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] : cad7838f-6ce2-4c82-a6a9-e75928dc1609 [observed] Occultation Date + Time : 2007-12-24 at 01:19:36 UT +/- 0.38 min [1] Object Designation : (198) Ampella Orbit Class : MBA Star Designation : GDR3 0110650937505258240 Star Coordinates (ICRF) : RA = 03 08 02.3925, DE = +23 07 33.360 [2] Star Magnitudes : G = 9.96 mag, RP = 9.66 mag, BP = 10.11 mag Object Magnitude : V = 11.79 mag Estimated Magnitude Drop : 2.0 mag Estimated Max. Duration : 11.6 sec Object Mean Diameter : 57 km (src: astorb) Speed of the shadow : 4.9 km/s Elongation to Moon & Sun : 41° (sunlit = 100%), Sun = 139° Cross-track uncertainty : 2.3 mas = 2 km = 0.04 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#94 [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) |