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146659 (2001 UD122)
Classification: Main-belt Asteroid          SPK-ID: 2146659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07184040568939781 3.7509e-08  
a 2.768244445003505 1.5088e-08 au
q 2.569372641027031 1.0671e-07 au
i 2.652307494660829 5.1806e-06 deg
node 200.2939985010959 7.5953e-05 deg
peri 286.2413292498666 8.3992e-05 deg
M 305.7140093473628 3.5612e-05 deg
tp 2459254.182406762565
(2021-Feb-08.68240676)
0.00016682 TDB
period 1682.306343433869
4.61
1.3754e-05
3.766e-08
d
yr
n .2139919411260019 1.7496e-09 deg/d
Q 2.967116248979978 1.6172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2001-10-22  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:42  

Additional Information
 Earth MOID = 1.58609 au 
 Jupiter MOID = 2.06968 au 
 T_jup = 3.333 
[ 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 15.3   n/a MPO453932  

146659 (2001 UD122)          Discovered 2001-Oct-22 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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