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JPL Small-Body Database Browser
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(2014 HN178)
Classification: Amor [NEO]          SPK-ID: 3670140
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4587127447937461 3.7263e-05  
a 1.888268698245035 0.00013082 au
q 1.022095780764941 4.6089e-07 au
i 2.384045085660702 0.00015189 deg
node 333.7083178953391 0.00088027 deg
peri 306.0325000520654 0.00077193 deg
M 309.7494064432476 0.069687 deg
tp 2458732.791765677714
(2019-Sep-06.29176568)
0.19721 TDB
period 947.7507084605851
2.59
0.098491
0.0002697
d
yr
n .3798467221245782 3.9474e-05 deg/d
Q 2.754441615725129 0.00019083 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      142 days  
   first obs. used      2014-04-28  
   last obs. used      2014-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .30241  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:05:43  

Additional Information
 Earth MOID = .0310702 au 
 Jupiter MOID = 2.41307 au 
 T_jup = 3.825 
[ 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 23.5   n/a E2014M01  

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