# 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 28.9 - 195.65 -5.13 - - 20.0 196.39 167.49 1.42 77.49 268.55 2.349 0.753 0.663 247.5 28.6 0.71 19
2 003 annual 32.5 - 195.64 0.87 - - - 194.07 161.57 6.95 - - 2.56 - 0.683 239.7 32.43 3.11 27
3 004 2010-15 32.0 25.0 - 37.0 203.5 2.9 0.91 -0.36 18.8 200.65 168.65 11.82 78.9 257.95 2.55 0.744 0.716 247.9 30.0 7.0 12
4 006 annual 27.6 15.732 - 39.96 201.1 4.1 0.56 0.01 19.7 197.92 170.32 12.03 80.54 257.8 2.709 0.717 0.735 250.9 27.6 7.1 104

References
  1. Lindblad, 1971b (In Lindblad 1971b the shower is named sigma-Leonids (Tab. 2a, 2b No 8))
  2. Lindblad, 1971a (No velocity. In Lindblad 1971a, p. 8 Tab 6 this shower is named sigma-Leonids)
  3. Jenniskens et al., 2016
  4. Shiba, 2022.

Parent body proposed in the scientific literature: