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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273260937626282 3.1619e-08  
a 2.667318738940543 1.2875e-08 au
q 2.327699463091384 8.7458e-08 au
i 13.58155681728745 4.5422e-06 deg
node 173.1259079065107 1.3642e-05 deg
peri 316.1964099178941 2.4138e-05 deg
M 37.37715397128839 1.7676e-05 deg
tp 2459231.298293272571
(2021-Jan-16.79829327)
7.8334e-05 TDB
period 1591.148819612077
4.36
1.152e-05
3.154e-08
d
yr
n .2262516211951616 1.6381e-09 deg/d
Q 3.006938014789701 1.4514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      9600 days (26.28 yr)  
   first obs. used      1995-02-26  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:08:35  

Additional Information
 Earth MOID = 1.36014 au 
 Jupiter MOID = 2.06074 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 15.71   n/a MPO637106  

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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