100P/Hartley 1

Key facts

Comet.name

100P/Hartley

Comet.discoverer

Malcolm Hartley

Comet.discovery_site

UK Schmidt Telescope

Comet.discovery_date

13 June 1985

Comet.mpc_name

P/1985 L1P/1991 E1

Comet.epoch

13 September 2023 (JD 2460200.5)

Comet.observation_arc

37.17 years

Comet.obs

658

Comet.perihelion

2.018 AU

Comet.aphelion

4.844 AU

Comet.semimajor

3.416 AU

Comet.eccentricity

0.41183

Comet.period