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JPL Small-Body Database Browser
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(2017 SB20)
Classification: Aten [NEO]          SPK-ID: 3781981
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171757751676847 0.00022208  
a .9729880142184284 4.1212e-05 au
q .761678588001675 0.00018383 au
i 5.442499364758829 0.0068261 deg
node 11.86538000056832 0.0020691 deg
peri 116.2648904745686 0.0055555 deg
M 133.2449665407928 0.0055494 deg
tp 2458470.749818551097
(2018-Dec-18.24981855)
0.0029001 TDB
period 350.5578224398043
0.96
0.022272
6.098e-05
d
yr
n 1.026934722193561 6.5246e-05 deg/d
Q 1.184297440435182 5.0162e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .55401  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 06:20:33  

Additional Information
 Earth MOID = .0107261 au 
 Jupiter MOID = 3.84978 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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