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212617 (2006 SJ399)
Classification: Main-belt Asteroid          SPK-ID: 2212617
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657183116666334 5.6276e-08  
a 2.628997189813624 2.3093e-08 au
q 2.193324214141387 1.4904e-07 au
i 2.814031755937991 5.6777e-06 deg
node 62.05478918747972 0.00011998 deg
peri 222.8647690612571 0.00012108 deg
M 193.115110710039 1.7632e-05 deg
tp 2459922.268831678934
(2022-Dec-08.76883168)
8.1474e-05 TDB
period 1556.982064163713
4.26
2.0515e-05
5.617e-08
d
yr
n .231216536327516 3.0465e-09 deg/d
Q 3.064670165485862 2.692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6209 days (17.00 yr)  
   first obs. used      2004-01-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58808  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:23  

Additional Information
 Earth MOID = 1.17601 au 
 Jupiter MOID = 2.08843 au 
 T_jup = 3.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.30   n/a MPCxxxxx  

212617 (2006 SJ399)          Discovered 2006-Sep-17 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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