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(2021 OQ)
Classification: Apollo [NEO]          SPK-ID: 54171998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3504379572572929 0.00058451  
a 1.383601791844899 0.0010772 au
q .8987352062532425 0.00010922 au
i 9.637783243681948 0.012877 deg
node 116.9954516837991 0.00011952 deg
peri 239.5181952094006 0.008941 deg
M 319.1099846185089 0.061003 deg
tp 2459464.019602008363
(2021-Sep-06.51960201)
0.021891 TDB
period 594.4496840178107
1.63
0.69421
0.001901
d
yr
n .6056021387156021 0.00070723 deg/d
Q 1.868468377436556 0.0014547 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2021-07-19  
   last obs. used      2021-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .39378  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-28 05:48:46  

Additional Information
 Earth MOID = .00793971 au 
 Jupiter MOID = 3.59427 au 
 T_jup = 4.713 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.818   .2104 2 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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