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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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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965280002349493 5.5264e-08  
a 3.155816021673143 3.5793e-08 au
q 2.535609809824307 1.6063e-07 au
i 28.42101795572684 8.0124e-06 deg
node 70.1887241296907 1.1057e-05 deg
peri 225.0508050884426 2.3296e-05 deg
M 32.93072909790781 2.2631e-05 deg
tp 2458413.188350911131
(2018-Oct-21.68835091)		 0.00012773 TDB
period 2047.69816882909
5.61		 3.4837e-05
9.538e-08		 d
yr
n .1758071601958087 2.991e-09 deg/d
Q 3.776022233521979 4.2827e-08 au
   Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      6765 days (18.52 yr)  
   first obs. used      2001-04-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61337  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:38:05  

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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