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(2010 HS20)
Classification: Apollo [NEO]          SPK-ID: 3518258
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5543018563492509 0.00068481  
a 2.209801367281022 0.0031926 au
q .9849043672340386 9.0385e-05 au
i 2.217525006352131 0.001775 deg
node 99.70374097217851 0.013249 deg
peri 158.7595832457442 0.0088527 deg
M 15.80453661295479 2.3787 deg
tp 2458947.824635447176
(2020-Apr-08.32463545)
7.8138 TDB
period 1199.853668817658
3.29
2.6002
0.007119
d
yr
n .3000365872571327 0.0006502 deg/d
Q 3.434698367328004 0.0049622 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      29 days  
   first obs. used      2010-04-20  
   last obs. used      2010-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45987  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:57:43  

Additional Information
 Earth MOID = .00193064 au 
 Jupiter MOID = 1.65177 au 
 T_jup = 3.439 
[ 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 23.3   n/a MPO176593  

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