# AdNo Activity λ λ☉[beg-end] Ra De ΔRa ΔDe Vg LoR SLoR LaR Theta Phi a q e Peri Node Inc N
1 000 2009-11 166.3 156.3 - 175.5 76.3 -1.3 0.64 0.09 66.5 74.98 268.68 -24.03 155.94 357.03 - 1.003 0.944 5.1 346.3 139.0 46
2 001 annual 159.0 140.0 - 179.0 70.5 -2.3 0.9 0.13 65.8 68.53 269.53 -24.3 155.7 358.97 7.53 1.004 0.893 17.2 342.4 138.3 99

References
  1. Segon et al., 2014
  2. Jenniskens et al., 2016 (The Halley Complex)

Parent body proposed in the scientific literature: