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JPL Small-Body Database Browser
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442557 (2012 AH8)
Classification: Main-belt Asteroid          SPK-ID: 2442557
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06960660105531534 1.074e-07  
a 3.068921083266289 5.9185e-08 au
q 2.855303917753127 3.6722e-07 au
i 3.030217303679131 6.5722e-06 deg
node 112.9540173997061 0.00016039 deg
peri 267.9472887810613 0.00016948 deg
M 291.4197843693972 6.0998e-05 deg
tp 2459374.587635158605
(2021-Jun-09.08763516)
0.00033987 TDB
period 1963.708445923914
5.38
5.6806e-05
1.555e-07
d
yr
n .1833266036754362 5.3032e-09 deg/d
Q 3.282538248779452 6.3304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5407 days (14.80 yr)  
   first obs. used      2004-08-20  
   last obs. used      2019-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:46  

Additional Information
 Earth MOID = 1.85981 au 
 Jupiter MOID = 2.09018 au 
 T_jup = 3.226 
[ 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 16.4   n/a MPO434644  

442557 (2012 AH8)          Discovered 2005-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 AH8 = 2005 UP394 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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