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56087 (1999 AH22)
Classification: Main-belt Asteroid          SPK-ID: 2056087
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2253102436307761 7.0124e-08  
a 2.430181020427301 2.1075e-08 au
q 1.882636342647938 1.6753e-07 au
i 2.239373397254812 7.9047e-06 deg
node 179.970704980361 0.00013051 deg
peri 211.1231836444935 0.00013117 deg
M 286.486524678578 1.6794e-05 deg
tp 2457883.066594509466
(2017-May-09.56659451)
6.7214e-05 JED
period 1383.745953767544
3.79
1.8001e-05
4.928e-08
d
yr
n .2601633623714115 3.3844e-09 deg/d
Q 2.977725698206665 2.5824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      1996-03-16  
   last obs. used      2015-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49283  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:05:37  

Additional Information
 Earth MOID = .887207 au 
 Jupiter MOID = 2.46178 au 
 T_jup = 3.472 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO231760  

56087 (1999 AH22)          Discovered 1999-Jan-13 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AH22 = 2001 OL25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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