2021-05-09 / 4UC 445-070571 / (7949) 1992 SU
# | OBS | Observer | Occ | Meth. | Instr. | CC | TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
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1 | show | Jordi Marco | O+ | CCD | M235 | ES | NTP | 00:46:18 | 00:46:57.26 | 00:46:58.98 | 00:47:33 | 0.16 | 0.16 | 1.72 | 22.2 |
2 | show | Carles Schnabel | O+ | VID | M400 | ES | GPS++ | 00:45:02 | 00:46:58.87 | 00:47:00.45 | 00:48:16 | 0.02 | 0.02 | 1.58 | 20.4 |
2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):JPL#41 : 7b14aec6-d7d1-4a54-849c-71e0ea8b7423 [db: observed] |
Using prediction 7b14aec6-d7d1-4a54-849c-71e0ea8b7423 for map and profile fit
Ellipse and circular profile fits to the timings (chords) |
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Auto-Fit Result: X0,Y0 = -1438.8, 19.1 km Circular diameter = 23 km From 2 chords (VID,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] : 7b14aec6-d7d1-4a54-849c-71e0ea8b7423 [observed] Occultation Date + Time : 2021-05-09 at 00:41:52 UT +/- 0.02 min [1] Object Designation : (7949) 1992 SU Orbit Class : MBA Star Designation : GDR3 4370571369093538304 Star Coordinates (ICRF) : RA = 17 35 01.7412, DE = -01 02 20.099 [2] Star Magnitudes : G = 11.95 mag, RP = 11.12 mag, BP = 12.63 mag Object Magnitude : V = 18.59 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.8 sec Object Mean Diameter : 10 km (src: astorb) Speed of the shadow : 12.9 km/s Elongation to Moon & Sun : 115° (sunlit = 7%), Sun = 140° Cross-track uncertainty : 0.7 mas = 1 km = 0.15 path-width (1-sig) RUWE and duplicate source : 2.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#41 [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) |