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JPL Small-Body Database Browser
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(2010 HV20)
Classification: Apollo [NEO]          SPK-ID: 3518264
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 2455313.5 (2010-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7890969526835938 0.0038754  
a 2.620219100116805 0.042727 au
q .5526121928512858 0.0011433 au
i 6.453941809519934 0.018581 deg
node 99.07597502239757 0.15756 deg
peri 216.2400724567793 0.16609 deg
M 347.9486352215687 0.32276 deg
tp 2455365.360723402108
(2010-Jun-17.86072340)
0.12045 TDB
period 1549.190549619156
4.24
37.893
0.1037
d
yr
n .2323794191027697 0.005684 deg/d
Q 4.687826007382324 0.076442 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      7 days  
   first obs. used      2010-04-25  
   last obs. used      2010-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .35963  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:57:42  

Additional Information
 Earth MOID = .0896375 au 
 Jupiter MOID = .693844 au 
 T_jup = 2.852 
[ 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 21.9   n/a MPO176883  
diameter diameter 0.465 km 0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.016   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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