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312260 (2008 AG22)
Classification: Main-belt Asteroid          SPK-ID: 2312260
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180408692946807 4.6213e-08  
a 2.685917508198893 2.6574e-08 au
q 2.100277719857404 1.1957e-07 au
i 8.102828314871962 9.1495e-06 deg
node 329.6463874787241 3.3094e-05 deg
peri 128.7287003675171 4.3771e-05 deg
M 314.2241789314019 3.0883e-05 deg
tp 2459204.942448784618
(2020-Dec-21.44244878)
0.00014028 TDB
period 1607.820020358978
4.40
2.3862e-05
6.533e-08
d
yr
n .2239056582462649 3.323e-09 deg/d
Q 3.271557296540383 3.2369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1998-12-17  
   last obs. used      2019-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53213  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:30  

Additional Information
 Earth MOID = 1.12789 au 
 Jupiter MOID = 1.92586 au 
 T_jup = 3.326 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO494654  

312260 (2008 AG22)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 AG22 = 2002 UA32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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