117P/Helin-Roman-Alu (Record n° 25894)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2022 Aug 24 20h05 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 15.2 m2 standard deviation 0.2 Aperture radius used for m2 4.2 " r (dist/Sun) 3.049 AU d (dist/Earth) 2.362 AU Right ascension 18 25 11.92 h m s Declination -32 15 18.8 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2022.08.25 09:13:52
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0117P KC2022 08 24.83650 18 25 11.92 -32 15 18.8 15.3 R A77
0117P KC2022 08 24.85482 18 25 12.00 -32 15 18.2 15.0 R A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) R Bessel Camera ST8XME Sensor CCD Sensor temperature -12 °C Binning 1x1 Exposure details 10*60s Air mass 4.27 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2022 Aug 25 09h17m29s Observation modification date 2022 Aug 25 09h37m05s