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(2014 HW177)
Classification: Amor [NEO]          SPK-ID: 3670103
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 2456778.5 (2014-May-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .643657340957884 0.0035916  
a 3.301597755519186 0.035157 au
q 1.176500123289189 0.0006699 au
i 13.00425941658931 0.046953 deg
node 49.90234518413429 0.001586 deg
peri 201.78934796 0.013303 deg
M 354.6171598864761 0.084286 deg
tp 2456811.263753301814
(2014-Jun-02.76375330)
0.010429 TDB
period 2191.213363187067
6.00
34.999
0.09582
d
yr
n .1642925358379472 0.0026242 deg/d
Q 5.426695387749183 0.057785 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      18 days  
   first obs. used      2014-04-29  
   last obs. used      2014-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .37435  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:41:16  

Additional Information
 Earth MOID = .178141 au 
 Jupiter MOID = .150794 au 
 T_jup = 2.764 
[ 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 22.5   n/a MPO297970  

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