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115108 (2003 SA31)
Classification: Main-belt Asteroid          SPK-ID: 2115108
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644211841121456 5.6622e-08  
a 2.77685864705797 1.4192e-08 au
q 2.320284260196648 1.5815e-07 au
i 9.128789598348579 6.6557e-06 deg
node 8.807513088270085 2.5519e-05 deg
peri 30.46560368130906 2.8873e-05 deg
M 235.026409128596 1.5002e-05 deg
tp 2459787.238835068168
(2022-Jul-26.73883507)
7.3192e-05 TDB
period 1690.164931260468
4.63
1.2958e-05
3.548e-08
d
yr
n .2129969645811573 1.6329e-09 deg/d
Q 3.233433033919292 1.6526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1999-12-12  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:04  

Additional Information
 Earth MOID = 1.33125 au 
 Jupiter MOID = 2.24026 au 
 T_jup = 3.297 
[ 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 15.03   n/a E2021B55  

115108 (2003 SA31)          Discovered 2003-Sep-18 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 SA31 = 1999 XN197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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