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(2020 SW)
Classification: Apollo [NEO]          SPK-ID: 54054455
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901695110048685 8.5244e-06  
a 1.014947848958837 2.4074e-06 au
q .8219357128268917 6.7109e-06 au
i 4.21168993746066 0.00020998 deg
node 181.5462371229052 1.5954e-05 deg
peri 277.6724095422679 7.1205e-05 deg
M 171.9909664289696 0.0014466 deg
tp 2458822.070296358434
(2019-Dec-04.57029636)
0.0021355 TDB
period 373.477134553413
1.02
0.0013288
3.638e-06
d
yr
n .9639144319516953 3.4295e-06 deg/d
Q 1.207959985090782 2.8652e-06 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6 days  
   first obs. used      2020-09-18  
   last obs. used      2020-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .39637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-07 06:22:09  

Additional Information
 Earth MOID = .00050682 au 
 Jupiter MOID = 3.89636 au 
 T_jup = 5.992 
[ 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 29.063   .33502 9 autocmod 2.8

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