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(2014 HF177)
Classification: Amor [NEO]          SPK-ID: 3670100
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5498233297008213 3.3214e-06  
a 2.278960057749651 1.7043e-05 au
q 1.025934650542562 1.1078e-07 au
i 7.212413493586959 3.4448e-05 deg
node 43.08609452761175 3.3751e-05 deg
peri 251.1975987744008 3.3655e-05 deg
M 253.5616595914725 0.0068558 deg
tp 2459372.034451333319
(2021-Jun-06.53445133)
0.028099 TDB
period 1256.618639172984
3.44
0.014096
3.859e-05
d
yr
n .286483097399324 3.2137e-06 deg/d
Q 3.53198546495674 2.6414e-05 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      232 days  
   first obs. used      2014-04-02  
   last obs. used      2014-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .36919  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 14:03:54  

Additional Information
 Earth MOID = .104478 au 
 Jupiter MOID = 1.77161 au 
 T_jup = 3.380 
[ 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 19.8   n/a MPO409480  
diameter diameter 0.253 km 0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.364   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

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