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(2011 SJ120)
Classification: Mars-crossing Asteroid          SPK-ID: 3579925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5305901957983203 2.4509e-07  
a 3.185200237614951 2.2794e-07 au
q 1.495164219881978 7.1367e-07 au
i 20.93974773746049 2.0281e-05 deg
node 201.1072883386286 6.1345e-05 deg
peri 181.3910757437182 8.7732e-05 deg
M 228.1519920185416 9.0135e-05 deg
tp 2459960.956905480497
(2023-Jan-16.45690548)
0.00060057 TDB
period 2076.364217891545
5.68
0.00022289
6.102e-07
d
yr
n .1733799864676747 1.8611e-08 deg/d
Q 4.875236255347925 3.4889e-07 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      6101 days (16.70 yr)  
   first obs. used      2001-04-17  
   last obs. used      2017-12-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:22:29  

Additional Information
 Earth MOID = .49726 au 
 Jupiter MOID = .586027 au 
 T_jup = 2.872 
[ 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 16.9   n/a MPO434961  

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