Ernest Leonard Johnson

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Minor planets discovered: 18 [1]
see § List of discovered minor planets

Ernest Leonard Johnson (died c. 1977; also cited as "Earnest L. Johnson") was a South African astronomer and a former staff member of the Union Observatory in Johannesburg, South Africa. He is known for the discovery of 18 asteroids during 1946–1951, as well as several comets.[1] On 25 August 1949, he discovered 48P/Johnson, a periodic comet of the Jupiter-family.[2] Johnson received twice the "Donohoe Comet Medal"[3]:40 before retiring in 1956. He died in 1977.[citation needed]

List of discoveries[edit]

Comets[edit]

Discoveries of comets include:

Asteroids[edit]

Johnson is credited by the Minor Planet Center with the discovery of 18 asteroids:.[1]

1568 Aisleen 21 August 1946 list
1580 Betulia 22 May 1950 list
1585 Union 7 September 1947 list
1607 Mavis 3 September 1950 list
1609 Brenda 10 July 1951 list
1618 Dawn 5 July 1948 list
1623 Vivian 9 August 1948 list
1731 Smuts 9 August 1948 list
1760 Sandra 10 April 1950 list
1819 Laputa 9 August 1948 list
1885 Herero 9 August 1948 list
1922 Zulu 25 April 1949 list
2546 Libitina 23 March 1950 list
2651 Karen 28 August 1949 list
2718 Handley 30 July 1951 list
2829 Bobhope 9 August 1948 list
3184 Raab 22 August 1949 list
5038 Overbeek 31 May 1948 list

See also[edit]

References[edit]

  1. ^ a b c "Minor Planet Discoverers (by number)". Minor Planet Center. 2 April 2018. Retrieved 2 May 2018. 
  2. ^ a b "JPL Small-Body Database Browser: 48P/Johnson". Jet Propulsion Laboratory. Retrieved 2 May 2018. 
  3. ^ a b C. D. Shane (February 1952). "Report of the Donohoe Comet Medal Committee". Publications of the Astronomical Society of the Pacific. 64 (376): 39. Bibcode:1952PASP...64...39.. doi:10.1086/126418. Retrieved 2 May 2018. 
  4. ^ R. G Aitken (February 1936). "Report of the Comet Medal Committee with Awards of the Comet Medal". Publications of the Astronomical Society of the Pacific. 48 (281): 52. Bibcode:1936PASP...48...52.. doi:10.1086/124657. Retrieved 2 May 2018. 
  5. ^ C. D. Shane (February 1949). "Report for the Comet Metal Committee". Publications of the Astronomical Society of the Pacific. 61 (358): 51. Bibcode:1949PASP...61...51.. doi:10.1086/126123. Retrieved 2 May 2018. 

External links[edit]