+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120061 (2003 CO1) Classification: Centaur          SPK-ID: 2120061 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4732030318546852 1.1636e-05   a 20.85464706135478 0.00050158 au q 10.9861648436623 2.1726e-05 au i 19.71574483606981 1.6482e-05 deg node 78.41938100753143 5.8374e-05 deg peri 116.9248876249132 0.00018561 deg M 51.86364372701533 0.0018806 deg tp 2453989.052120923890 (2006-Sep-10.55212092) 0.0060007 TDB period 34785.85588709125 95.24 1.255 0.003436 d yr n .01034903384779424 3.7336e-07 deg/d Q 30.72312927904726 0.00073892 au   Orbit Determination Parameters    # obs. used (total)      182      data-arc span      3401 days (9.31 yr)      first obs. used      2002-02-12      last obs. used      2011-06-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .54006      source      ORB      producer      Otto Matic      solution date      2017-Apr-11 11:22:53   Additional Information  Earth MOID = 10.0352 au   Jupiter MOID = 5.91106 au   T_jup = 3.570  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 8.9   n/a MPO198803   diameter diameter 82.000 km 8.400 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)   rotation period rot_per 10.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Ortiz, J.L.; Gutierrez, P.J.; Santos-Sanz, P.; Casanova, V.; Sota, A. (2006) Astron. Astrophys. 447, 1131-1144.] geometric albedo albedo 0.072   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)   120061 (2003 CO1)          Discovered 2003-Feb-01 by NEAT at Palomar Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Oct-26 20:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin