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JPL Small-Body Database Browser
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312637 (2010 AP85)
Classification: Jupiter Trojan          SPK-ID: 2312637
[ 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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325090508825219 2.065e-07  
a 5.1725358929973 3.763e-07 au
q 4.48712807116045 1.213e-06 au
i 17.53282468513862 1.6479e-05 deg
node 285.077618954401 3.8142e-05 deg
peri 188.7828794531218 7.1519e-05 deg
M 217.28397815002 7.25e-05 deg
tp 2460303.928570062435
(2023-Dec-25.42857006)		 0.0010295 TDB
period 4296.884661394886
11.76		 0.0004689
1.284e-06		 d
yr
n .08378162980133011 9.1427e-09 deg/d
Q 5.857943714834151 4.2617e-07 au
   Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2001-01-26  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:12:09  

Additional Information
 Earth MOID = 3.50508 au 
 Jupiter MOID = .640425 au 
 T_jup = 2.891 
[ 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 13.1   n/a MPO455304  
diameter diameter 9.518 km 1.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.123   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312637 (2010 AP85)          Discovered 2009-Oct-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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