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JPL Small-Body Database Browser
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71391 (2000 AK161)
Classification: Main-belt Asteroid          SPK-ID: 2071391
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277468510247794 8.7686e-08  
a 2.991657361548587 3.0971e-08 au
q 2.609482554265655 2.5252e-07 au
i 14.0374726685645 8.4567e-06 deg
node 316.9659956342794 2.9835e-05 deg
peri 193.5917383095215 3.9546e-05 deg
M 240.6027902731197 2.7852e-05 deg
tp 2459227.341702206747
(2021-Jan-12.84170221)
0.00015145 TDB
period 1890.019149615224
5.17
2.935e-05
8.036e-08
d
yr
n .1904742605773544 2.9578e-09 deg/d
Q 3.373832168831519 3.4928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1997-08-06  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:37:31  

Additional Information
 Earth MOID = 1.62373 au 
 Jupiter MOID = 1.67066 au 
 T_jup = 3.198 
[ 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 14.5   n/a MPO412622  
diameter diameter 6.226 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71391 (2000 AK161)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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