+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4725908687181227 1.2893e-06   a 20.84142088796094 5.731e-05 au q 10.99195568519945 4.0308e-06 au i 19.72068501684736 1.0492e-05 deg node 78.43457954193183 1.8116e-05 deg peri 116.8973495117236 9.6528e-05 deg M 54.02210929160851 0.0002559 deg tp 2453985.450325325663 (2006-Sep-06.95032533) 0.0032899 TDB period 34752.76895888233 95.15 0.14335 0.0003925 d yr n .01035888681060014 4.2728e-08 deg/d Q 30.69088609072243 8.4394e-05 au   Orbit Determination Parameters    # obs. used (total)      270      data-arc span      6711 days (18.37 yr)      first obs. used      2002-02-12      last obs. used      2020-06-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .5168      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:59:48   Additional Information  Earth MOID = 10.0403 au   Jupiter MOID = 5.91608 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 9.05   n/a E2021B55   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. 2020-October); 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 ] 2021-Mar-02 21:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin