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390812 (2004 JQ6)
Classification: Mars-crossing Asteroid          SPK-ID: 2390812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4632442159504931 5.409e-08  
a 2.961336412780081 3.779e-08 au
q 1.589514448076127 1.5018e-07 au
i 13.87051949760231 1.3867e-05 deg
node 31.59500632991331 2.1562e-05 deg
peri 286.0811144501902 3.7899e-05 deg
M 16.09839489059554 3.4218e-05 deg
tp 2458917.264206783173
(2020-Mar-08.76420678)
0.00017573 TDB
period 1861.358586473899
5.10
3.563e-05
9.755e-08
d
yr
n .1934071181211639 3.7021e-09 deg/d
Q 4.333158377484034 5.5296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6058 days (16.59 yr)  
   first obs. used      2004-04-13  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:51:14  

Additional Information
 Earth MOID = .645939 au 
 Jupiter MOID = 1.45448 au 
 T_jup = 3.055 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO472016  

390812 (2004 JQ6)          Discovered 2004-May-10 by NEAT at Haleakala
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2004 JQ6 = 2004 GU41 = 2009 HX44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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