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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964405327599298 5.4638e-08  
a 3.157790024561017 3.4632e-08 au
q 2.537472069792259 1.5792e-07 au
i 28.41487474586931 7.6569e-06 deg
node 70.19144562209092 1.0757e-05 deg
peri 225.2310187191086 2.241e-05 deg
M 138.1801943300289 2.1979e-05 deg
tp 2458413.786508691679
(2018-Oct-22.28650869)		 0.00012102 TDB
period 2049.619760951862
5.61		 3.3718e-05
9.231e-08		 d
yr
n .175642334670316 2.8895e-09 deg/d
Q 3.778107979329774 4.1435e-08 au
   Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2001-04-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60047  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:06  

Additional Information
 Earth MOID = 1.57949 au 
 Jupiter MOID = 1.52051 au 
 T_jup = 2.991 
[ 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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