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(2017 SB20)
Classification: Aten [NEO]          SPK-ID: 3781981
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172988039815366 0.00022194  
a .9729901294800228 4.0841e-05 au
q .7615605380581735 0.00018399 au
i 5.441938975443036 0.0068277 deg
node 11.8552101388324 0.0020674 deg
peri 116.28659350 0.0055205 deg
M 29.43370017990901 0.044616 deg
tp 2459171.838201419721
(2020-Nov-18.33820142)
0.041641 TDB
period 350.5589656017302
0.96
0.022072
6.043e-05
d
yr
n 1.026931373391248 6.4658e-05 deg/d
Q 1.184419720901872 4.9716e-05 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      20 days  
   first obs. used      2017-09-18  
   last obs. used      2017-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .5584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:37:39  

Additional Information
 Earth MOID = .0105566 au 
 Jupiter MOID = 3.84736 au 
 T_jup = 6.188 
[ 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 25.0   n/a MPO423871  

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