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160870 (2001 KU55)
Classification: Main-belt Asteroid          SPK-ID: 2160870
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993176928046247 5.3501e-08  
a 3.147840516686947 3.1239e-08 au
q 2.520420207583987 1.5992e-07 au
i 11.55241108164844 5.6823e-06 deg
node 129.8854106574036 2.7409e-05 deg
peri 159.2850703378328 3.0364e-05 deg
M 159.3171471319102 1.4659e-05 deg
tp 2458297.729147785720
(2018-Jun-28.22914779)
7.8426e-05 TDB
period 2039.940537775585
5.59
3.0366e-05
8.314e-08
d
yr
n .1764757321762698 2.627e-09 deg/d
Q 3.775260825789907 3.7466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7181 days (19.66 yr)  
   first obs. used      2001-05-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:35  

Additional Information
 Earth MOID = 1.50602 au 
 Jupiter MOID = 1.48228 au 
 T_jup = 3.146 
[ 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 14.9   n/a MPO454066  
diameter diameter 7.286 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160870 (2001 KU55)          Discovered 2001-May-22 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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