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JPL Small-Body Database Browser
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108828 (2001 OU81)
Classification: Main-belt Asteroid          SPK-ID: 2108828
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2248841096243399 8.4273e-08  
a 2.430648304010679 2.4559e-08 au
q 1.884034124353326 1.9028e-07 au
i 4.526497513111092 5.8885e-06 deg
node 198.0768717117967 5.2305e-05 deg
peri 180.60474514 5.4864e-05 deg
M 306.5291911274763 2.8606e-05 deg
tp 2459206.087102862973
(2020-Dec-22.58710286)
0.00011296 TDB
period 1384.145080114944
3.79
2.0978e-05
5.743e-08
d
yr
n .2600883427408522 3.9419e-09 deg/d
Q 2.977262483668033 3.0082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      8456 days (23.15 yr)  
   first obs. used      1996-03-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:58  

Additional Information
 Earth MOID = .886168 au 
 Jupiter MOID = 2.48438 au 
 T_jup = 3.469 
[ 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 15.6   n/a MPO436523  

108828 (2001 OU81)          Discovered 2001-Jul-26 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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