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JPL Small-Body Database Browser
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154057 (2002 CW161)
Classification: Main-belt Asteroid          SPK-ID: 2154057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618810300385133 4.6904e-08  
a 2.777695396593412 2.218e-08 au
q 2.328039204659634 1.3309e-07 au
i 13.31232848995621 8.4275e-06 deg
node 344.1266105232431 2.1308e-05 deg
peri 107.1094613031624 3.6621e-05 deg
M 15.90397887563729 2.6848e-05 deg
tp 2458925.798616549042
(2020-Mar-17.29861655)
0.0001259 TDB
period 1690.92893373623
4.63
2.0253e-05
5.545e-08
d
yr
n .2129007274152875 2.5501e-09 deg/d
Q 3.22735158852719 2.5771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7004 days (19.18 yr)  
   first obs. used      2000-09-23  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:02:01  

Additional Information
 Earth MOID = 1.38472 au 
 Jupiter MOID = 2.03406 au 
 T_jup = 3.277 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO412913  

154057 (2002 CW161)          Discovered 2002-Feb-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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