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101561 (1999 AA14)
Classification: Main-belt Asteroid          SPK-ID: 2101561
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01691542777171584 7.5522e-08  
a 2.970336666853663 2.1577e-08 au
q 2.920092151507821 2.264e-07 au
i .7459138618473746 3.9519e-06 deg
node 73.64313302025346 0.00062053 deg
peri 263.4912806027771 0.00063566 deg
M 241.9601677872799 0.00013957 deg
tp 2459813.602411205193
(2022-Aug-22.10241121)
0.00072563 TDB
period 1869.850743570312
5.12
2.0374e-05
5.578e-08
d
yr
n .1925287359100183 2.0978e-09 deg/d
Q 3.020581182199506 2.1942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      9899 days (27.10 yr)  
   first obs. used      1994-01-10  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65537  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:23  

Additional Information
 Earth MOID = 1.90753 au 
 Jupiter MOID = 2.02268 au 
 T_jup = 3.263 
[ 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 15.65   n/a E2021B55  

101561 (1999 AA14)          Discovered 1999-Jan-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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