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322781 (2001 OD17)
Classification: Main-belt Asteroid          SPK-ID: 2322781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2499308465987206 7.3326e-08  
a 2.557437650256442 2.1825e-08 au
q 1.918255093204406 1.8606e-07 au
i 3.654312848164427 8.1891e-06 deg
node 128.2397910429744 0.00011666 deg
peri 225.5106171245101 0.00011844 deg
M 234.6126992365067 2.5444e-05 deg
tp 2459720.803876036867
(2022-May-21.30387604)
0.00010787 TDB
period 1493.846619495997
4.09
1.9123e-05
5.236e-08
d
yr
n .2409885963536598 3.0849e-09 deg/d
Q 3.196620207308477 2.728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-07-15  
   last obs. used      2020-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:10:54  

Additional Information
 Earth MOID = .913508 au 
 Jupiter MOID = 2.24709 au 
 T_jup = 3.389 
[ 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 16.89   n/a E2021B25  

322781 (2001 OD17)          Discovered 2001-Jul-21 by Pravec, P., Sarounova, L. at Ondrejov
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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