C/1925 G1 (Orkisz)

Comet Orkisz, formally designated as C/1925 G1, is a non-periodic comet that was observed between April 1925 and May 1926.^[6] It is the only comet discovered by Polish astronomer, Lucien Orkisz, and the very first comet ever discovered from Poland.^[7]

C/1925 G1 (Orkisz)

Comet Orkisz photographed by Ferdinand Quénisset on 13 May 1925.[1]
Discovery[2]
Discovered by	Lucien Orkisz
Discovery site	Kraków, Poland
Discovery date	3 April 1925
Designations
Alternative designations	1925 I, 1925c[3]
Orbital characteristics[4]
Epoch	31 March 1925 (JD 2424240.5)
Observation arc	391 days (1.07 years)
Number of observations	201
Perihelion	1.109 AU
Eccentricity	1.000605
Inclination	100.02°
Longitude of ascending node	319.11°
Argument of periapsis	36.181°
Last perihelion	1 April 1925
Physical characteristics[5][6]
Mean radius	1.531 km (0.951 mi)[a]
Comet total magnitude (M1)	5.4
Comet nuclear magnitude (M2)	10.0
Apparent magnitude	6.7 (1925 apparition)

See also

• C/1925 F1 (Shajn–Comas Solá)
• C/1925 V1 (Wilk–Peltier)