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190722 (2001 ON39)
Classification: Main-belt Asteroid          SPK-ID: 2190722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816995611062071 4.8755e-08  
a 2.309888609792723 1.0083e-08 au
q 1.890182863189158 1.1273e-07 au
i 6.221037444258299 3.9697e-06 deg
node 86.7319615178093 4.7159e-05 deg
peri 285.927420963404 4.8713e-05 deg
M 155.6981623861167 1.4829e-05 deg
tp 2458645.917745441205
(2019-Jun-11.41774544)
5.0896e-05 TDB
period 1282.286242698576
3.51
8.3963e-06
2.299e-08
d
yr
n .2807485474088678 1.8383e-09 deg/d
Q 2.729594356396288 1.1915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      10231 days (28.01 yr)  
   first obs. used      1993-04-15  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:03  

Additional Information
 Earth MOID = .900846 au 
 Jupiter MOID = 2.7524 au 
 T_jup = 3.555 
[ 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 16.38   n/a MPCxxxxx  

190722 (2001 ON39)          Discovered 2001-Jul-20 by NEAT at Palomar
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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