# This file contains the orbital elements in Celestia's SSC format. # for the near-earth asteroid 1994 XM1 # before and after its flyby of the Earth # by Selden Ball seb+cel@lns.cornell.edu # # The ephemeris information was obtained from Horizons # The NEO info was obtained from the IAU's Minor Planet Center # at http://cfa-www.harvard.edu/iau/mpc.html # on their page http://cfa-www.harvard.edu/iau/lists/Closest.html # #Distance Date (TT) Permanent designation Provisional H Reference #0.0007 * 1994 Dec. 9.8 1994 XM1 28.0 MPEC 1994-X05 # * This approach is to within 112000 km = 70000 miles. # "1994 XM1-1" "Sol" { Class "moon" # to show orbit even when not selected Mesh "asteroid.cms" Texture "asteroid.jpg" Radius 0.005 Albedo 0.2 #2449504.500000000 = A.D. 1994-Jun-01 00:00:00.0000 (CT) # EC= 5.500738531020368E-01 QR= 8.966996055338805E-01 IN= 5.598040705719483E+00 # OM= 7.716210863977393E+01 W = 4.198143625921699E+01 Tp= 2.449726986913055E+06 # N = 3.503042887669860E-01 MA= 2.820618801622164E+02 TA=-1.371927240605005E+02 # A = 1.992992876089149E+00 AD= 3.089286146644417E+00 PR= 1.027677968965614E+03 EllipticalOrbit { Period 2.813575797403461 SemiMajorAxis 1.992992876089149E+00 Eccentricity 5.500738531020368E-01 Inclination 5.598040705719483E+00 AscendingNode 7.716210863977393E+01 ArgOfPericenter 4.198143625921699E+01 MeanAnomaly 2.820618801622164E+02 Epoch 2449504.5 } } "1994 XM1-2" "Sol" { Class "moon" # to show orbit even when not selected Mesh "asteroid.cms" Texture "asteroid.jpg" Radius 0.005 Albedo 0.2 #2449869.500000000 = A.D. 1995-Jun-01 00:00:00.0000 (CT) # EC= 5.662749379488603E-01 QR= 8.988497355733488E-01 IN= 4.595446744254060E+00 # OM= 7.703199831837411E+01 W = 4.117337105729801E+01 Tp= 2.449726187537481E+06 # N = 3.303658958727397E-01 MA= 4.734555006999492E+01 TA= 1.150956950753782E+02 # A = 2.072395197368989E+00 AD= 3.245940659164630E+00 PR= 1.089700857435586E+03 EllipticalOrbit { Period 2.983382004361280 SemiMajorAxis 2.072395197368989E+00 Eccentricity 5.662749379488603E-01 Inclination 4.595446744254060E+00 AscendingNode 7.703199831837411E+01 ArgOfPericenter 4.117337105729801E+01 MeanAnomaly 4.734555006999492E+01 Epoch 2449869.5 } }