261P/Larson (Record n° 30034)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2025 Sep 11 23h38 UT by Jean-Louis Virlichie
(Copyright Jean-Louis Virlichie)Nuclear magnitude (m2) 18 m2 standard deviation 0.0 Aperture radius used for m2 6.0 " r (dist/Sun) 2.180 AU d (dist/Earth) 1.427 AU Right ascension 19 43 15.39 h m s Declination -17 14 24.0 ° ' " MPC report COD X03
CON J. L. Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA J. L. Virlichie
TEL 0.36-m f/4.8 reflector + CMO
NUM 4
ACK MPCReport file updated 2025.09.12 13:26:29
NET Gaia DR2
AC2 jl.virlichie@gmail.com
0261P KB2025 09 11.98480 19 43 15.39 -17 14 24.0 18.0 G X03
0261P KB2025 09 12.00067 19 43 15.56 -17 14 21.6 18.0 G X03
0261P KB2025 09 12.01655 19 43 15.76 -17 14 19.5 18.0 G X03
0261P KB2025 09 12.03241 19 43 15.93 -17 14 17.3 18.0 G X03
Instrumental configuration Config1 Instrument ONTC 355 Instrument type Newton Instrument aperture (0=naked eye) 360 mm Instrument focale length 1728 mm Instrument focale/diameter 4.8 Filter(s) L Camera Player One IMX571 Mono Sensor CMOS Sensor size 23.5x15.7 mm2 Sensor pixels number 6252x4176 Sensor temperature -10 °C Mount SW EQ8 Autoguide Yes Exposure details 11x2mn Observatory MPC code X03 Location Poroto Chili Reference stars catalog Gaia DR2
Used softwares Tycho V10.5 Resulting picture sampling (scale) 0.86 "/pix Observation submission date 2025 Sep 12 19h37m58s Observation modification date 2025 Sep 12 19h41m17s