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22915 (1999 TA40)
Classification: Main-belt Asteroid          SPK-ID: 2022915
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05209706795468102 3.3394e-08  
a 2.987732304750911 1.6392e-08 au
q 2.832080211839907 9.7144e-08 au
i 11.49741459347463 3.3792e-06 deg
node 126.9538868801144 1.9643e-05 deg
peri 126.9344611057165 4.0824e-05 deg
M 173.0850776619781 3.6502e-05 deg
tp 2458293.581882800349
(2018-Jun-24.08188280)
0.00018975 TDB
period 1886.300809995217
5.16
1.5524e-05
4.25e-08
d
yr
n .1908497298481852 1.5706e-09 deg/d
Q 3.143384397661916 1.7246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      9208 days (25.21 yr)  
   first obs. used      1995-11-27  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:43  

Additional Information
 Earth MOID = 1.83096 au 
 Jupiter MOID = 1.99278 au 
 T_jup = 3.225 
[ 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 13.6   n/a MPO358846  

22915 (1999 TA40)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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