Orbital period : 5.43 years
NASA/JPL elements
IAU/MPC elements
On 2017 Mar 21 22h42 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 10.8 | Aperture radius used for m1 | 3 ' | Coma diameter | 6 ' | Coma condensation degree (DC) | 2 | r (dist/Sun) | 1.090 AU | d (dist/Earth) | 0.152 AU | Right ascension | 12 57 55 h m s | Declination | +55 43 40 ° ' " | Instrumental configuration | Config1 | Instrument | Dobson 407mm F/D 4.3 | Instrument type | Newton | Instrument aperture (0=naked eye) | 407 mm | Instrument focale length | 1750 mm | Instrument focale/diameter | 4.29 | Filter(s) | None | Camera | Sony A7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240x2832 | Binning | 1x1 | Mount | Dobson azimutal | Motorization | No | Autoguide | No | Exposure total time | 20.5 s | Exposure details | 41x1/2s | Sky transparency (naked eye max mag) | 4.5 | Seeing | 3 | Moon phase | 110 ° | Air mass | 1.0 | Location | Versailles, France | Reference stars catalog | Tycho-2 | Used softwares | IRIS | Image resize factor | 0.25 | Resulting picture sampling (scale) | 3.0 "/pix | Image processing | somme alignées sous IRIS, retrait gradient image réduite à 25%, ajustement du contraste | Remarks or comments | Nord vers 7h sur l'image (PA~150°) | Observation submission date | 2017 Mar 22 18h18m02s |
(Record n° 17349)