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442989 (2013 CB170)
Classification: Main-belt Asteroid          SPK-ID: 2442989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315336262156346 6.5377e-08  
a 3.118083305727307 4.9957e-08 au
q 2.707950501682562 1.9928e-07 au
i 7.305140036064596 8.0162e-06 deg
node 318.2194227416636 5.5254e-05 deg
peri 149.3413476316916 6.3132e-05 deg
M 153.0884064319097 3.167e-05 deg
tp 2458145.295850428339
(2018-Jan-26.79585043)
0.00016885 TDB
period 2011.083014197638
5.51
4.8331e-05
1.323e-07
d
yr
n .1790080257545356 4.302e-09 deg/d
Q 3.528216109772053 5.6528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:48  

Additional Information
 Earth MOID = 1.72773 au 
 Jupiter MOID = 1.59248 au 
 T_jup = 3.191 
[ 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 16.7   n/a MPO434646  

442989 (2013 CB170)          Discovered 2011-Nov-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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