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(2015 KJ122)
Classification: Aten [NEO, PHA]          SPK-ID: 3720440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7502664731975752 2.1743e-07  
a .7853672854054882 1.7808e-08 au
q .1961325420195591 1.6774e-07 au
i 5.066014592439169 1.4371e-05 deg
node 187.9131632292497 0.00012314 deg
peri 229.7803662175188 0.00012046 deg
M 195.9924196602957 5.2865e-05 deg
tp 2459316.316132307422
(2021-Apr-11.81613231)
4.0708e-05 TDB
period 254.2187839386004
0.70
8.6466e-06
2.367e-08
d
yr
n 1.416103068477222 4.8165e-08 deg/d
Q 1.374602028791417 3.1169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      1834 days (5.02 yr)  
   first obs. used      2015-05-19  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52367  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-04 05:21:41  

Additional Information
 Earth MOID = .0318495 au 
 Jupiter MOID = 3.99559 au 
 T_jup = 7.137 
[ 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 21.92   n/a E2021A14  

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