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(2000 KA)
Classification: Apollo [NEO, PHA]          SPK-ID: 3035252
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4620360681371531 7.8712e-09  
a 1.332218230317078 1.4599e-09 au
q .7166853572807387 1.0853e-08 au
i 6.731544225108673 5.7557e-06 deg
node 62.49949500874951 8.3063e-06 deg
peri 83.19534445056746 8.0839e-06 deg
M 48.24563941338067 5.2205e-07 deg
tp 2458925.230843147085
(2020-Mar-16.73084315)
7.9876e-07 TDB
period 561.6444676974078
1.54
9.2322e-07
2.528e-09
d
yr
n .6409748883949731 1.0536e-09 deg/d
Q 1.947751103353416 2.1344e-09 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      7335 days (20.08 yr)  
   first obs. used      2000-05-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:03:50  

Additional Information
 Earth MOID = .00182788 au 
 Jupiter MOID = 3.0853 au 
 T_jup = 4.797 
[ 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 21.7   n/a MPO278178  
rotation period rot_per 11.46 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 290-304.]

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