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58446 (1996 HN22)
Classification: Main-belt Asteroid          SPK-ID: 2058446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351796333026793 4.0634e-08  
a 2.783074340693136 1.1628e-08 au
q 2.128551937794828 1.1209e-07 au
i 8.354342499146597 3.8772e-06 deg
node 51.36080138127732 3.2849e-05 deg
peri 262.9448518206735 3.427e-05 deg
M 41.73364795576139 8.8333e-06 deg
tp 2459003.906350343110
(2020-Jun-03.40635034)
4.1656e-05 TDB
period 1695.842979063372
4.64
1.0628e-05
2.91e-08
d
yr
n .2122838048360061 1.3304e-09 deg/d
Q 3.437596743591444 1.4362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      10864 days (29.74 yr)  
   first obs. used      1991-04-15  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:43:24  

Additional Information
 Earth MOID = 1.13267 au 
 Jupiter MOID = 1.93974 au 
 T_jup = 3.276 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.90   n/a E2021B10  
diameter diameter 5.722 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58446 (1996 HN22)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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