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JPL Small-Body Database Browser
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146669 (2001 UO173)
Classification: Main-belt Asteroid          SPK-ID: 2146669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08502489537750799 4.8516e-08  
a 2.724495360086771 1.9342e-08 au
q 2.492845427138887 1.3404e-07 au
i 3.448002218194008 5.0249e-06 deg
node 76.3295012236383 0.00011677 deg
peri 57.38680822192363 0.00012419 deg
M 236.6140573569102 4.4658e-05 deg
tp 2459163.477085493790
(2020-Nov-09.97708549)
0.00020643 TDB
period 1642.583801981553
4.50
1.7492e-05
4.789e-08
d
yr
n .2191669000788326 2.3339e-09 deg/d
Q 2.956145293034654 2.0987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      9385 days (25.69 yr)  
   first obs. used      1994-02-15  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:06:41  

Additional Information
 Earth MOID = 1.50963 au 
 Jupiter MOID = 2.0698 au 
 T_jup = 3.349 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO453932  

146669 (2001 UO173)          Discovered 2001-Oct-18 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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