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146628 (2001 UJ12)
Classification: Main-belt Asteroid          SPK-ID: 2146628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07256659887481716 4.0184e-08  
a 2.624429253323946 1.3659e-08 au
q 2.433983348422651 1.0386e-07 au
i 2.134128216872205 3.902e-06 deg
node 296.6664280033376 0.00012339 deg
peri 117.1744427155198 0.00012722 deg
M 117.4202751949971 3.0631e-05 deg
tp 2458493.986150144378
(2019-Jan-10.48615014)
0.00013184 TDB
period 1552.925894997331
4.25
1.2123e-05
3.319e-08
d
yr
n .2318204630109659 1.8097e-09 deg/d
Q 2.814875158225241 1.465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:26:15  

Additional Information
 Earth MOID = 1.44605 au 
 Jupiter MOID = 2.42284 au 
 T_jup = 3.398 
[ 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 15.8   n/a MPO412893  

146628 (2001 UJ12)          Discovered 2001-Oct-24 by Yeung, W. K. Y. at Desert Eagle
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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