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359278 (2009 HJ6)
Classification: Main-belt Asteroid          SPK-ID: 2359278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03479116017297573 4.8012e-08  
a 2.737389563482226 2.7795e-08 au
q 2.642152604723284 1.3835e-07 au
i 6.970995669298661 5.4076e-06 deg
node 141.6727708240408 4.6074e-05 deg
peri 221.758593988473 0.00010831 deg
M 13.78375476147954 9.5402e-05 deg
tp 2458937.161412444396
(2020-Mar-28.66141244)
0.00043875 TDB
period 1654.258358088331
4.53
2.5196e-05
6.898e-08
d
yr
n .2176201790003453 3.3145e-09 deg/d
Q 2.832626522241168 2.8762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:22:30  

Additional Information
 Earth MOID = 1.64139 au 
 Jupiter MOID = 2.32505 au 
 T_jup = 3.340 
[ 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 16.5   n/a MPO440609  

359278 (2009 HJ6)          Discovered 2009-Apr-02 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2009 HJ6 = 2013 CX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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