103P/Hartley (Record n° 27540)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2023 Sep 07 06h01 UT by Michael Irzyk
(Copyright Michael Irzyk)Nuclear magnitude (m2) 14.9 Aperture radius used for m2 10 " r (dist/Sun) 1.170 AU d (dist/Earth) 0.424 AU Right ascension 03 31 10.07 h m s Declination +43 04 17.8 ° ' " Instrument type Refractor Instrument aperture (0=naked eye) 85 mm Filter(s) Clear Sensor CCD Exposure total time 210 s Exposure details 7x30s Location Melun Used softwares prism Resulting picture sampling (scale) 2.47 "/pix Observation submission date 2023 Sep 08 15h57m05s