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295429 (2008 KY31)
Classification: Main-belt Asteroid          SPK-ID: 2295429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03784894654320414 4.5197e-08  
a 2.652102213886396 3.0127e-08 au
q 2.551722938965897 1.2185e-07 au
i 14.49029732601974 5.3446e-06 deg
node 92.00083466957402 2.614e-05 deg
peri 14.66800860523298 0.00017085 deg
M 51.98449177547992 0.0001609 deg
tp 2458772.699267793481
(2019-Oct-16.19926779)
0.00070698 TDB
period 1577.552473698097
4.32
2.6881e-05
7.36e-08
d
yr
n .2282016008989471 3.8885e-09 deg/d
Q 2.752481488806896 3.1267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      9059 days (24.80 yr)  
   first obs. used      1995-07-02  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:42:32  

Additional Information
 Earth MOID = 1.57017 au 
 Jupiter MOID = 2.39828 au 
 T_jup = 3.343 
[ 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 16.4   n/a MPO471115  

295429 (2008 KY31)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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