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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0718675170778425 3.7855e-08  
a 2.767321324283071 1.5316e-08 au
q 2.56844081175028 1.0743e-07 au
i 2.652730366580175 5.1971e-06 deg
node 200.2951472352497 7.7834e-05 deg
peri 286.5222632908732 8.5673e-05 deg
M 219.8080087083638 3.5467e-05 deg
tp 2459255.299765368967
(2021-Feb-09.79976537)
0.00016665 TDB
period 1681.464920791745
4.60
1.3959e-05
3.822e-08
d
yr
n .2140990249326689 1.7774e-09 deg/d
Q 2.966201836815862 1.6416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      6586 days (18.03 yr)  
   first obs. used      2001-10-22  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:00:29  

Additional Information
 Earth MOID = 1.5855 au 
 Jupiter MOID = 2.07151 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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