2022-03-08 / 4UC 610-013838 / (33003) 1997 EJ
# | OBS | Observer | Occ | Meth. | Instr. | CC | TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
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1 | show | Peter Nosal | O+ | CCD | M250 | SK | NTP+ | 18:17:25 | 18:18:49.68 | 18:18:49.93 | 18:20:25 | 0.04 | 0.04 | 0.25 | 5.0 |
2 | show | Jiri Kubanek | O+ | CCD | M303 | CZ | GPS++ | 18:16:27 | 18:18:29.35 | 18:18:29.99 | 18:20:30 | 0.08 | 0.08 | 0.64 | 12.7 |
3 | show | Michal Rottenborn | O- | CCD | M254 | CZ | 18:16:28 | 18:20:28 |
3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):JPL#53 : ee350dc8-9c43-4a60-8f94-43e71d697089 [db: observed] |
Using prediction ee350dc8-9c43-4a60-8f94-43e71d697089 for map and profile fit
Ellipse and circular profile fits to the timings (chords) |
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Auto-Fit Result: X0,Y0 = -133.5, 29.9 km Circular diameter = 13 km From 2 chords (CCD) 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] : ee350dc8-9c43-4a60-8f94-43e71d697089 [observed] Occultation Date + Time : 2022-03-08 at 18:16:58 UT +/- 0.01 min [1] Object Designation : (33003) 1997 EJ Orbit Class : MBA Star Designation : GDR3 0171549347514923136 Star Coordinates (ICRF) : RA = 04 26 23.6925, DE = +31 49 37.312 [2] Star Magnitudes : G = 13.28 mag, RP = 12.56 mag, BP = 13.82 mag Object Magnitude : V = 18.59 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 9 km (src: astorb) Speed of the shadow : 19.9 km/s Elongation to Moon & Sun : 14° (sunlit = 34%), Sun = 82° Cross-track uncertainty : 1.7 mas = 3 km = 0.40 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#53 [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) |