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(2007 HV4)
Classification: Apollo [NEO]          SPK-ID: 3374390
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4707209653996796 0.0020268  
a 1.832776107951909 0.0085014 au
q .970049969055319 0.00078499 au
i 4.248869851487924 0.0048263 deg
node 209.5254824599687 0.012097 deg
peri 30.53979852777291 0.34321 deg
M 166.6430880418571 8.1601 deg
tp 2458780.985135987110
(2019-Oct-24.48513599)
17.624 TDB
period 906.2803193295739
2.48
6.3057
0.01726
d
yr
n .3972280897220763 0.0027638 deg/d
Q 2.695502246848499 0.012503 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      3 days  
   first obs. used      2007-04-20  
   last obs. used      2007-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .49629  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 00:37:17  

Additional Information
 Earth MOID = .0035695 au 
 Jupiter MOID = 2.32585 au 
 T_jup = 3.883 
[ 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 28.7   n/a MPO126774  

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