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JPL Small-Body Database Browser
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442556 (2012 AH7)
Classification: Main-belt Asteroid          SPK-ID: 2442556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192703581796734 1.0886e-07  
a 3.101500241568006 6.7109e-08 au
q 2.731583196861846 3.5135e-07 au
i 11.49174719975245 7.2718e-06 deg
node 135.7977221828564 5.5227e-05 deg
peri 282.9457453685715 6.2368e-05 deg
M 171.2749893604666 3.3759e-05 deg
tp 2457651.322129603460
(2016-Sep-19.82212960)
0.00017637 TDB
period 1995.060893704693
5.46
6.4753e-05
1.773e-07
d
yr
n .1804456200489722 5.8566e-09 deg/d
Q 3.471417286274166 7.5113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4507 days (12.34 yr)  
   first obs. used      2007-02-26  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:46  

Additional Information
 Earth MOID = 1.77302 au 
 Jupiter MOID = 1.8918 au 
 T_jup = 3.180 
[ 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 16.1   n/a MPO440833  

442556 (2012 AH7)          Discovered 2007-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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