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JPL Small-Body Database Browser
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390609 (2001 UD28)
Classification: Main-belt Asteroid          SPK-ID: 2390609
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216111857537457 1.3233e-07  
a 2.308894146652665 1.9554e-08 au
q 2.028106791698352 3.0863e-07 au
i 22.96799403246962 2.4695e-05 deg
node 28.24767445496385 1.6504e-05 deg
peri 286.9390231684399 0.00010612 deg
M 52.34301573804176 0.00010156 deg
tp 2458414.179474212042
(2018-Oct-22.67947421)
0.00036185 TDB
period 1281.458248782484
3.51
1.6279e-05
4.457e-08
d
yr
n .280929948628476 3.5688e-09 deg/d
Q 2.589681501606978 2.1932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7100 days (19.44 yr)  
   first obs. used      2000-04-29  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:58:56  

Additional Information
 Earth MOID = 1.11878 au 
 Jupiter MOID = 2.74789 au 
 T_jup = 3.471 
[ 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 17.1   n/a MPO494981  

390609 (2001 UD28)          Discovered 2001-Oct-16 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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