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(2020 SW)
Classification: Aten [NEO]          SPK-ID: 54054455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .211199925658866 1.0081e-05  
a .9413249717026372 6.334e-06 au
q .7425172076582062 4.7217e-06 au
i 2.324869616867395 0.00076035 deg
node 1.807951866100563 0.00015318 deg
peri 118.9464204350131 0.0022891 deg
M 353.723147625415 0.0027259 deg
tp 2459206.316305512084
(2020-Dec-22.81630551)
0.0024676 TDB
period 333.5859853623888
0.91
0.003367
9.218e-06
d
yr
n 1.079182027413162 1.0892e-05 deg/d
Q 1.140132735747068 7.6717e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .39637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:02:42  

Additional Information
 Earth MOID = .000418235 au 
 Jupiter MOID = 3.90551 au 
 T_jup = 6.358 
[ 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 29.06   .33502 E2020-SI4 autocmod 2.8

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