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357145 (2002 AR209)
Classification: Main-belt Asteroid          SPK-ID: 2357145
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661149152221857 7.1852e-08  
a 2.342837996344959 1.5252e-08 au
q 1.953657661202801 1.6873e-07 au
i 2.411485117557101 8.4119e-06 deg
node 106.8593200154697 0.0001324 deg
peri 298.6985126733093 0.00013675 deg
M 106.7836226392087 2.9848e-05 deg
tp 2458611.979477081493
(2019-May-08.47947708)
0.00010673 TDB
period 1309.820596021869
3.59
1.2791e-05
3.502e-08
d
yr
n .2748468004651757 2.6839e-09 deg/d
Q 2.732018331487117 1.7786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      8109 days (22.20 yr)  
   first obs. used      1997-11-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:28:00  

Additional Information
 Earth MOID = .964459 au 
 Jupiter MOID = 2.64885 au 
 T_jup = 3.543 
[ 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 18.0   n/a MPO455578  

357145 (2002 AR209)          Discovered 2002-Jan-14 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2002 AR209 = 1997 WM8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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