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(2020 SO)
Classification: Apollo [NEO]          SPK-ID: 54054450
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 86 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03400037331392975 1.8983e-05  
a 1.037129961710015 5.2064e-06 au
q 1.001867155836813 1.4676e-05 au
i .1408521133095469 3.7925e-05 deg
node 105.7226228018136 0.03626 deg
peri 331.6622588131801 0.054707 deg
M 179.7872958199125 0.014826 deg
tp 2458807.834170087135
(2019-Nov-20.33417009)
0.014437 TDB
period 385.7875410624512
1.06
0.002905
7.953e-06
d
yr
n .9331561071375379 7.0266e-06 deg/d
Q 1.072392767583217 5.3834e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 4.524092139931719E-9 2.613E-10
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      33 days  
   first obs. used      2020-12-15  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .37878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-22 05:18:34  

Additional Information
 Earth MOID = .0162817 au 
 Jupiter MOID = 3.9313 au 
 T_jup = 5.909 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 27.658   .33639 86 autocmod 2.8

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