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(2015 KO122)
Classification: Apollo [NEO]          SPK-ID: 3720444
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 2457169.5 (2015-May-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5877419360075182 0.00089363  
a 1.909721347183103 0.0036434 au
q .7872980253548202 0.00020529 au
i 2.438458454173781 0.0029555 deg
node 237.6803652531045 0.0021323 deg
peri 298.2562585168803 0.0049444 deg
M 17.63756314138563 0.059033 deg
tp 2457122.273092111194
(2015-Apr-09.77309211)
0.022927 TDB
period 963.9476102045287
2.64
2.7586
0.007553
d
yr
n .3734642797896618 0.0010688 deg/d
Q 3.032144669011386 0.0057848 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      1 day  
   first obs. used      2015-05-26  
   last obs. used      2015-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .32807  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:33:24  

Additional Information
 Earth MOID = .00350897 au 
 Jupiter MOID = 1.94864 au 
 T_jup = 3.704 
[ 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 27.0   n/a MPO337229  
rotation period rot_per 0.0648 h n/a LCDB (Rev. 2019-August); 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:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

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