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(2020 SP)
Classification: Apollo [NEO]          SPK-ID: 54054451
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0369055521048291 1.3381e-06  
a 1.022250563155001 1.254e-06 au
q .9845238417322928 1.6048e-07 au
i 7.076418005353662 0.00033919 deg
node 349.9759436029597 8.2754e-05 deg
peri 66.37553035008341 0.0010691 deg
M 28.31484306776735 0.00094172 deg
tp 2459170.807543919816
(2020-Nov-17.30754392)
0.0010421 TDB
period 377.5152192538362
1.03
0.00069464
1.902e-06
d
yr
n .9536039387009211 1.7547e-06 deg/d
Q 1.059977284577708 1.3003e-06 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      159 days  
   first obs. used      2020-09-16  
   last obs. used      2021-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .48255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-26 05:18:48  

Additional Information
 Earth MOID = .00137982 au 
 Jupiter MOID = 3.9593 au 
 T_jup = 5.969 
[ 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 27.12   .32314 E2021D77 autocmod 2.8

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