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79431 (1997 SW12)
Classification: Main-belt Asteroid          SPK-ID: 2079431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273013650931077 3.1919e-08  
a 2.667105456464966 1.5173e-08 au
q 2.3275792910097 8.7725e-08 au
i 13.58040425004631 5.7603e-06 deg
node 173.1340885734509 1.6782e-05 deg
peri 316.3096398819131 2.9397e-05 deg
M 307.6825463638717 2.4099e-05 deg
tp 2459231.707972883895
(2021-Jan-17.20797288)
0.00010698 TDB
period 1590.957977754555
4.36
1.3576e-05
3.717e-08
d
yr
n .2262787609941128 1.9309e-09 deg/d
Q 3.006631621920232 1.7104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      9100 days (24.91 yr)  
   first obs. used      1995-02-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:40:42  

Additional Information
 Earth MOID = 1.35926 au 
 Jupiter MOID = 2.06188 au 
 T_jup = 3.331 
[ 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 15.6   n/a MPO417373  

79431 (1997 SW12)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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