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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4622528664681007 7.8667e-09  
a 1.332075198062546 1.4615e-09 au
q .7163196194070709 1.0846e-08 au
i 6.730408713194366 5.755e-06 deg
node 62.46727365465902 8.3122e-06 deg
peri 83.26048168640698 8.0873e-06 deg
M 302.0191406590969 7.2993e-07 deg
tp 2459486.942735054355
(2021-Sep-29.44273505)
1.2494e-06 TDB
period 561.5540195451812
1.54
9.2415e-07
2.53e-09
d
yr
n .6410781286750906 1.055e-09 deg/d
Q 1.94783077671802 2.137e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .32639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:56:30  

Additional Information
 Earth MOID = .00178367 au 
 Jupiter MOID = 3.0841 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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