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85426 (1997 AK12)
Classification: Main-belt Asteroid          SPK-ID: 2085426
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537926023575299 3.492e-08  
a 2.176707299449439 7.7592e-09 au
q 1.841945819296479 7.5519e-08 au
i .4039627308806416 3.8709e-06 deg
node 122.8346649124094 0.00044835 deg
peri 139.8384513092903 0.00044851 deg
M 203.0268673735414 1.0468e-05 deg
tp 2459111.971338366508
(2020-Sep-19.47133837)
3.4267e-05 TDB
period 1173.001256527812
3.21
6.272e-06
1.717e-08
d
yr
n .3069050420846368 1.641e-09 deg/d
Q 2.5114687796024 8.9525e-09 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:11:12  

Additional Information
 Earth MOID = .825973 au 
 Jupiter MOID = 2.55001 au 
 T_jup = 3.669 
[ 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 16.3   n/a MPO417413  
diameter diameter 3.091 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85426 (1997 AK12)          Discovered 1997-Jan-10 by Comba, P. G. at Prescott
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 AK12 = 2004 FO110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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