52P/Harrington-Abell
 
r (AU)HNInbound / OutboundMag. codeDateReported Mag.PhaseObservatory codeMPC NumberObserver/Observatory Name
3.02 17.6 I 0 1990/09/18 22.0 9.9 675 17685 Palomar Mountain
2.83 17.2 I 10 1990/10/22 21.0 5.3 691 17279 Steward Observatory, Kitt Peak-Spacewatch
2.83 17.0 I 2 1990/10/23 20.3 5.5 - - Licandro et al Icarus 2000
2.83 17.0 I 10 1990/10/23 20.8 5.6 691 17279 Steward Observatory, Kitt Peak-Spacewatch
2.82 17.0 I 2 1990/10/23 20.3 5.8 586 17279 Pic du Midi
2.50 16.7 I 4 1975/10/06 16.7 14.5 - - Roemer
2.48 15.3 I 4 1968/10/23 15.3 13.3 - - Roemer
2.46 16.4 I 4 1968/10/27 16.4 12.8 - - Roemer
2.45 9.7 I 0 1998/07/21 14.7 21.1 910 32144 Caussols-ODAS
2.45 9.7 I 0 1998/07/21 14.7 21.1 910 32144 Caussols-ODAS
2.45 9.7 I 0 1998/07/21 14.7 21.1 910 32144 Caussols-ODAS
2.45 9.5 I 0 1998/07/21 14.5 21.1 910 32144 Caussols-ODAS
2.44 9.8 I 0 1998/07/23 14.8 21.4 094 32569 Crimea-Simeis
2.44 9.2 I 0 1998/07/22 14.2 21.2 046 32144 Klet Observatory, Ceske Budejovice
2.44 10.0 I 0 1998/07/23 15.0 21.4 094 32569 Crimea-Simeis
2.44 10.0 I 0 1998/07/23 15.0 21.4 094 32569 Crimea-Simeis
2.43 7.8 I 6 1998/07/25 12.8 21.8 691 32144 Steward Observatory, Kitt Peak-Spacewatch
2.43 6.6 I 6 1998/07/25 11.6 21.8 691 32144 Steward Observatory, Kitt Peak-Spacewatch
2.43 13.0 I 10 1998/07/25 18.0 21.8 691 32144 Steward Observatory, Kitt Peak-Spacewatch
2.42 9.9 I 0 1998/07/27 14.9 22.0 046 32144 Klet Observatory, Ceske Budejovice
2.36 16.5 I 4 1975/11/01 16.5 8.3 - - Roemer
2.36 10.7 I 0 1998/08/06 15.5 23.5 046 32387 Klet Observatory, Ceske Budejovice
2.28 10.6 I 0 1998/08/22 15.2 25.6 143 32387 Gnosca
2.28 10.5 I 0 1998/08/22 15.1 25.6 143 32387 Gnosca
2.28 10.5 I 0 1998/08/22 15.1 25.6 143 32387 Gnosca
2.25 11.7 I 0 1998/08/26 16.2 26.1 143 32387 Gnosca
2.25 11.6 I 0 1998/08/26 16.1 26.1 143 32387 Gnosca
2.25 11.5 I 0 1998/08/26 16.0 26.1 143 32387 Gnosca
2.23 13.9 I 0 1998/08/30 18.4 26.6 422 32387 Loomberah
2.18 16.9 I 4 1975/12/05 16.9 16.9 - - Roemer
2.03 16.0 O 1 1955/03/30 16.0 15.5 - - Harrington&al.
1.97 15.5 O 5 1962/05/26 15.5 29.1 - - Roemer
1.95 11.3 I 0 1998/10/29 14.4 27.5 143 32834 Gnosca
1.95 11.3 I 0 1998/10/29 14.4 27.5 143 32834 Gnosca
1.95 11.2 I 0 1998/10/29 14.3 27.5 143 32834 Gnosca
1.92 15.7 I 0 1983/09/16 15.7 28.3 - - Gibson
1.89 11.6 I 0 1998/11/15 14.2 24.7 143 33163 Gnosca
1.89 11.5 I 0 1998/11/15 14.1 24.7 143 33163 Gnosca
1.89 11.5 I 0 1998/11/15 14.1 24.7 143 33163 Gnosca
1.80 15.2 I 4 1962/01/30 15.2 22.0 - - Roemer&Thomas
1.79 15.1 I 4 1962/02/03 15.1 23.3 - - Roemer&al.
1.79 11.3 I 0 1998/12/23 12.7 13.0 761 33425 Zephyrhills
1.78 14.2 I 4 1969/04/20 14.2 28.0 - - Roemer
1.78 14.2 I 4 1969/04/19 14.2 28.1 - - Roemer
1.77 12.8 O 1 1999/02/17 14.8 23.2 896 33830 Yatsugatake South Base Observatory
1.76 12.8 O 1 1999/02/05 14.4 18.9 610 33830 Pianoro
1.76 12.5 I 0 1999/01/12 13.7 10.3 896 33830 Yatsugatake South Base Observatory