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109994 (2001 SA61)
Classification: Main-belt Asteroid          SPK-ID: 2109994
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838036686102967 5.6558e-08  
a 2.62019562977779 1.3653e-08 au
q 2.138594060547965 1.4579e-07 au
i 2.520629252431716 5.8466e-06 deg
node 39.71402246915137 0.00010069 deg
peri 307.4169748096776 0.00010168 deg
M 164.7361982577023 1.6026e-05 deg
tp 2458291.599076296161
(2018-Jun-22.09907630)
6.6828e-05 TDB
period 1549.169734596869
4.24
1.2108e-05
3.315e-08
d
yr
n .2323825414093056 1.8162e-09 deg/d
Q 3.101797199007614 1.6162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7193 days (19.69 yr)  
   first obs. used      2000-05-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:37:11  

Additional Information
 Earth MOID = 1.133 au 
 Jupiter MOID = 2.31775 au 
 T_jup = 3.380 
[ 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 16.4   n/a MPO459516  

109994 (2001 SA61)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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