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(2004 HZ)
Classification: Apollo [NEO]          SPK-ID: 3180145
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4422766632922981 1.5234e-06  
a 1.303018171431028 4.338e-09 au
q .7267236423612811 1.9858e-06 au
i 4.223884614721509 3.8324e-05 deg
node 204.2625168651166 5.0282e-05 deg
peri 97.2273949206116 0.00020477 deg
M 252.1953433900335 2.4418e-05 deg
tp 2459163.189361637288
(2020-Nov-09.68936164)
3.7589e-05 TDB
period 543.2805226709381
1.49
2.713e-06
7.428e-09
d
yr
n .662641094199598 3.3091e-09 deg/d
Q 1.879312700500774 6.2566e-09 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      1098 days (3.01 yr)  
   first obs. used      2004-04-19  
   last obs. used      2007-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62241  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:12:54  

Additional Information
 Earth MOID = .000471877 au 
 Jupiter MOID = 3.37503 au 
 T_jup = 4.889 
[ 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 22.6   n/a MPO121339  

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