# 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 annual 137.5 - 45.0 -12.9 - - 64.0 38.26 260.76 -28.62 150.05 343.6 20.26 0.961 - 26.6 317.49 130.4 5
2 001 2007-08 137.6 124.1 - 147.4 44.5 -11.7 0.49 0.03 64.0 38.17 260.57 -27.33 151.21 342.41 - - - - - - 86
3 002 annual 137.0 118.0 - 174.0 43.7 -11.9 0.86 0.29 64.5 37.26 260.26 -27.26 151.18 341.83 10.3 0.953 0.945 28.4 317.7 132.7 214
4 004 annual 138.57 110.75 - 159.46 45.2 -10.8 0.9 0.39 64.8 39.22 260.65 -26.69 151.83 342.1 18.5 0.954 0.948 27.9 318.6 134.0 351

References
  1. Ohtsuka et al., 2001
  2. SonotaCo, 2009
  3. Jenniskens et al., 2016 (The Halley Complex)
  4. Shiba,2023, submitted to wgn.

Parent body proposed in the scientific literature: