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JPL Small-Body Database Browser
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71370 (2000 AK139)
Classification: Main-belt Asteroid          SPK-ID: 2071370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972860205868356 3.2464e-08  
a 2.445778512658973 1.006e-08 au
q 1.963260602659695 8.2174e-08 au
i 9.785596118100823 3.8238e-06 deg
node 93.02739112796469 3.1182e-05 deg
peri 332.9027148562671 3.4171e-05 deg
M 13.38495504132864 1.4693e-05 deg
tp 2458548.555624341600
(2019-Mar-06.05562434)
5.6889e-05 TDB
period 1397.08913323087
3.83
8.6197e-06
2.36e-08
d
yr
n .2576786200945346 1.5898e-09 deg/d
Q 2.928296422658251 1.2045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      13971 days (38.25 yr)  
   first obs. used      1980-11-29  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:11:00  

Additional Information
 Earth MOID = .982582 au 
 Jupiter MOID = 2.38058 au 
 T_jup = 3.452 
[ 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 15.3   n/a MPO263888  
diameter diameter 3.609 km 0.928 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

71370 (2000 AK139)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AK139 = 1980 WP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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