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JPL Small-Body Database Browser
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312976 (1999 CN159)
Classification: Main-belt Asteroid          SPK-ID: 2312976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .243046748410134 7.3419e-08  
a 2.646252836699549 3.933e-08 au
q 2.00308968926863 2.0531e-07 au
i 10.51961689778318 9.2485e-06 deg
node 314.4989134124658 3.2329e-05 deg
peri 250.1591225038871 4.0445e-05 deg
M 296.4536431059536 3.4395e-05 deg
tp 2459278.045115438376
(2021-Mar-04.54511544)
0.00015552 TDB
period 1572.3362666472
4.30
3.5053e-05
9.597e-08
d
yr
n .228958657022936 5.1043e-09 deg/d
Q 3.289415984130467 4.8889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:38:32  

Additional Information
 Earth MOID = 1.02917 au 
 Jupiter MOID = 1.8333 au 
 T_jup = 3.327 
[ 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 16.0   n/a MPO310904  

312976 (1999 CN159)          Discovered 1999-Feb-10 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1999 CN159 = 2008 JK22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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