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(2012 RK15)
Classification: Apollo [NEO]          SPK-ID: 3608621
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6661978001008551 3.3655e-08  
a 2.319424719759646 1.8768e-08 au
q .7742290739562276 7.3857e-08 au
i .4190053693334901 1.426e-06 deg
node 34.24209220662566 0.0005131 deg
peri 29.06024189070208 0.00050669 deg
M 46.39458543469569 1.5675e-06 deg
tp 2458834.222438582322
(2019-Dec-16.72243858)
7.0874e-06 TDB
period 1290.235089924918
3.53
1.566e-05
4.287e-08
d
yr
n .2790189189637907 3.3866e-09 deg/d
Q 3.864620365563065 3.1271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      2709 days (7.42 yr)  
   first obs. used      2012-09-14  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-02 04:55:20  

Additional Information
 Earth MOID = .00425826 au 
 Jupiter MOID = 1.49573 au 
 T_jup = 3.239 
[ 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 23.4   n/a MPO240066  

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