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213865 (2003 SJ156)
Classification: Main-belt Asteroid          SPK-ID: 2213865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721455470027701 3.8961e-08  
a 2.400310802509244 9.9368e-09 au
q 1.987107986434632 9.4409e-08 au
i .6273905658592579 4.088e-06 deg
node 292.1739953473381 0.00045385 deg
peri 110.9004584062109 0.00045408 deg
M 202.298552892307 1.5035e-05 deg
tp 2459795.521727016200
(2022-Aug-04.02172702)
5.8498e-05 TDB
period 1358.312340530086
3.72
8.4347e-06
2.309e-08
d
yr
n .2650347709124905 1.6458e-09 deg/d
Q 2.813513618583856 1.1647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      10036 days (27.48 yr)  
   first obs. used      1992-11-27  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:25  

Additional Information
 Earth MOID = .995003 au 
 Jupiter MOID = 2.58275 au 
 T_jup = 3.506 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.74   n/a E2021B55  

213865 (2003 SJ156)          Discovered 2003-Sep-19 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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