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(2010 BK2)
Classification: Aten [NEO, PHA]          SPK-ID: 3486442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4478121655843343 3.6367e-07  
a .9038445221280156 5.3666e-09 au
q .4990919493223311 3.3081e-07 au
i 6.045735485530354 2.9913e-05 deg
node 278.0572937536733 0.00015131 deg
peri 72.6267842126542 0.00014441 deg
M 98.94502936736349 4.1838e-05 deg
tp 2458914.235819039574
(2020-Mar-05.73581904)
3.6241e-05 TDB
period 313.8622055530636
0.86
2.7953e-06
7.653e-09
d
yr
n 1.14700016004041 1.0215e-08 deg/d
Q 1.3085970949337 7.7698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      2599 days (7.12 yr)  
   first obs. used      2010-01-19  
   last obs. used      2017-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37214  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:32  

Additional Information
 Earth MOID = .032861 au 
 Jupiter MOID = 4.13075 au 
 T_jup = 6.498 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.0   n/a MPO172399  
diameter diameter 0.118 km 0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.205   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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