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JPL Small-Body Database Browser
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160146 (2001 HU22)
Classification: Main-belt Asteroid          SPK-ID: 2160146
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965280063528027 5.4976e-08  
a 3.155816014609417 3.5128e-08 au
q 2.535609784841982 1.5894e-07 au
i 28.42102051481847 7.7986e-06 deg
node 70.18872528742844 1.1023e-05 deg
peri 225.0508003370782 2.2905e-05 deg
M 32.93073476079316 2.1781e-05 deg
tp 2458413.188319329249
(2018-Oct-21.68831933)
0.00012302 TDB
period 2047.698161953985
5.61
3.419e-05
9.361e-08
d
yr
n .1758071607860777 2.9354e-09 deg/d
Q 3.776022244376854 4.2032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      6788 days (18.58 yr)  
   first obs. used      2001-04-24  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:49:47  

Additional Information
 Earth MOID = 1.57847 au 
 Jupiter MOID = 1.52094 au 
 T_jup = 2.992 
[ 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 14.4   n/a MPO449861  
diameter diameter 8.053 km 0.483 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160146 (2001 HU22)          Discovered 2001-Apr-26 by Yeung, W. K. Y. at Desert Beaver
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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