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216361 (2008 AQ68)
Classification: Main-belt Asteroid          SPK-ID: 2216361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09433265119126269 3.8408e-08  
a 2.696959066650222 1.9974e-08 au
q 2.442547767738793 1.0095e-07 au
i 8.261556206491807 4.3369e-06 deg
node 115.0535446226257 3.002e-05 deg
peri 227.4616916026006 3.8465e-05 deg
M 118.9996000424099 2.4286e-05 deg
tp 2458665.747331717137
(2019-Jul-01.24733172)
0.00010787 TDB
period 1617.744601773638
4.43
1.7972e-05
4.92e-08
d
yr
n .222532036024295 2.4722e-09 deg/d
Q 2.951370365561651 2.1859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2001-08-25  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:30  

Additional Information
 Earth MOID = 1.44014 au 
 Jupiter MOID = 2.38743 au 
 T_jup = 3.348 
[ 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 16.24   n/a MPCxxxxx  
diameter diameter 3.531 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216361 (2008 AQ68)          Discovered 2008-Jan-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2008 AQ68 = 2004 FC159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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