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160997 (2002 CO254)
Classification: Main-belt Asteroid          SPK-ID: 2160997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090005476727934 1.4891e-07  
a 2.969530078146821 2.7549e-08 au
q 2.645849673297984 4.5512e-07 au
i 11.5394395975441 7.8965e-06 deg
node 319.723568592855 3.2914e-05 deg
peri 49.39684031685779 6.2222e-05 deg
M 7.792944382559121 4.434e-05 deg
tp 2459160.039700270578
(2020-Nov-06.53970027)
0.00023011 TDB
period 1869.089164191987
5.12
2.601e-05
7.121e-08
d
yr
n .1926071837004251 2.6803e-09 deg/d
Q 3.293210482995657 3.0552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      7336 days (20.08 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:41  

Additional Information
 Earth MOID = 1.65789 au 
 Jupiter MOID = 2.19109 au 
 T_jup = 3.224 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.51   n/a E2021B55  
diameter diameter 2.690 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160997 (2002 CO254)          Discovered 2002-Feb-05 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2002 CO254 = 2002 CF313 = 2005 UD274 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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