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163364 (2002 OD20)
Classification: Apollo [NEO, PHA]          SPK-ID: 2163364
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3690422929238708 2.1864e-08  
a 1.365424165755401 3.861e-09 au
q .8615249008113647 3.0298e-08 au
i 4.188805862787427 4.3239e-06 deg
node 259.9632905511091 3.1483e-05 deg
peri 275.2533342756174 3.2001e-05 deg
M 175.5235204918035 8.2308e-06 deg
tp 2458716.359837547858
(2019-Aug-20.85983755)
1.2205e-05 TDB
period 582.7735120407862
1.60
2.4719e-06
6.768e-09
d
yr
n .6177356941624432 2.6202e-09 deg/d
Q 1.869323430699438 5.2859e-09 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   # delay obs. used      2  
   # Doppler obs. used      3  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2001-11-22  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-24 07:51:30  

Additional Information
 Earth MOID = .0263062 au 
 Jupiter MOID = 3.10716 au 
 T_jup = 4.760 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.8   n/a MPO268130  
rotation period rot_per 2.420 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]

163364 (2002 OD20)          Discovered 2002-Jul-21 by NEAT at Palomar
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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