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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659912565274383 1.1337e-07  
a 2.34304006194316 1.8978e-08 au
q 1.954115897967088 2.7327e-07 au
i 2.411436280269312 1.1226e-05 deg
node 106.8596739564783 0.00021153 deg
peri 298.7694874266502 0.00021756 deg
M 356.8025436243338 3.8559e-05 deg
tp 2458612.135100141376
(2019-May-08.63510014)
0.0001403 TDB
period 1309.99005421067
3.59
1.5915e-05
4.357e-08
d
yr
n .2748112467288286 3.3388e-09 deg/d
Q 2.731964225919232 2.2128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1997-11-20  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:55:54  

Additional Information
 Earth MOID = .964409 au 
 Jupiter MOID = 2.64782 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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