+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (1995 SN55) Classification: Centaur          SPK-ID: 3137692 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2449980.5 (1995-Sep-20.0) TDB Reference: MPC35068 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.6631306 n/a   a 23.5637755 n/a AU q 7.9379149 n/a AU i 4.97274 n/a deg node 144.61090 n/a deg peri 49.32750 n/a deg M 180.21705 n/a deg tp 2470845.1719944 (2052-Nov-03.67199440) n/a JED period 41779.7233718 114.39 n/a n/a d yr n 0.00861662 n/a deg/d Q 39.1896361 n/a AU   Orbit Determination Parameters    # obs. used (total)      14      data-arc span      36 days      first obs. used      1995-09-20      last obs. used      1995-10-26      # oppositions      1      two-body model      T      condition code      E      fit RMS      1.27      data source      MPC:mp1      producer      Marsden   Additional Information  T_jup = 3.395   MPC Centaur   1-opposition object seen prior  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 6.0 mag n/a MPC35068   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-Jun-19 03:06 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin