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152018 (2004 KJ9)
Classification: Main-belt Asteroid          SPK-ID: 2152018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232595515395939 4.0249e-08  
a 2.312395749907912 1.1797e-08 au
q 2.0273708867922 9.7269e-08 au
i 3.869533032413384 4.4408e-06 deg
node 28.47483782298788 6.9253e-05 deg
peri 199.9128534889328 7.2056e-05 deg
M 267.4632800028581 2.0528e-05 deg
tp 2459530.643895595635
(2021-Nov-12.14389560)
7.3971e-05 TDB
period 1284.374488506827
3.52
9.8287e-06
2.691e-08
d
yr
n .2802920824272401 2.1449e-09 deg/d
Q 2.597420613023624 1.3251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:21  

Additional Information
 Earth MOID = 1.01676 au 
 Jupiter MOID = 2.38459 au 
 T_jup = 3.570 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO432967  

152018 (2004 KJ9)          Discovered 2004-May-18 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 2004 KJ9 = 1998 TC9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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