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190827 (2001 SJ39)
Classification: Main-belt Asteroid          SPK-ID: 2190827
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860530122185237 3.5383e-08  
a 2.353332204168686 8.7138e-09 au
q 1.915487658832244 8.5649e-08 au
i 2.515396398828063 3.9463e-06 deg
node 94.04144080529865 9.5565e-05 deg
peri 316.3821975569352 9.6303e-05 deg
M 91.65666544144463 1.1842e-05 deg
tp 2458864.774108169821
(2020-Jan-16.27410817)
4.2742e-05 TDB
period 1318.631007104197
3.61
7.3239e-06
2.005e-08
d
yr
n .2730104161516605 1.5163e-09 deg/d
Q 2.791176749505128 1.0335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:17  

Additional Information
 Earth MOID = .926216 au 
 Jupiter MOID = 2.5785 au 
 T_jup = 3.531 
[ 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 17.0   n/a MPO446126  

190827 (2001 SJ39)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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