Orbital elements: 54P/de Vico-Swift-NEAT Epoch 1965 Aug. 28.0 TT = JDT 2439000.5 T 1965 Aug. 23.25175 TT MPC q 1.6243093 (2000.0) P Q n 0.15614910 Peri. 325.41298 +0.98574825 +0.16609594 a 3.4154117 Node 25.06638 -0.13659049 +0.88285292 e 0.5244177 Incl. 3.61229 -0.09820090 +0.43929814 P 6.31