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401876 (2001 OH17)
Classification: Main-belt Asteroid          SPK-ID: 2401876
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961265564884774 6.5089e-08  
a 2.629801644856308 2.2636e-08 au
q 2.114027704002907 1.7827e-07 au
i 7.698383992531073 6.0727e-06 deg
node 292.5332578986855 4.171e-05 deg
peri 59.09692786711614 4.3917e-05 deg
M 167.0041958002405 1.5186e-05 deg
tp 2458477.883626971399
(2018-Dec-25.38362697)
6.0216e-05 TDB
period 1557.696757520159
4.26
2.0112e-05
5.506e-08
d
yr
n .2311104509025988 2.9839e-09 deg/d
Q 3.145575585709711 2.7076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      7196 days (19.70 yr)  
   first obs. used      2001-07-22  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54723  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:36:15  

Additional Information
 Earth MOID = 1.11821 au 
 Jupiter MOID = 2.32895 au 
 T_jup = 3.360 
[ 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 16.63   n/a MPCxxxxx  

401876 (2001 OH17)          Discovered 2001-Jul-22 by Pravec, P., Sarounova, L. at Ondrejov
Reference: Last Updated: 2014-08-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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