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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327461878856896 2.0644e-07  
a 5.1736799906299 3.7597e-07 au
q 4.48689369453331 1.213e-06 au
i 17.53229561815475 1.6478e-05 deg
node 285.075239954173 3.8141e-05 deg
peri 188.5863243493868 7.141e-05 deg
M 251.0506580431464 7.5477e-05 deg
tp 2460301.328015391556
(2023-Dec-22.82801539)
0.0010272 TDB
period 4298.31036268596
11.77
0.00046854
1.283e-06
d
yr
n .08375384037532378 9.1297e-09 deg/d
Q 5.860466286726489 4.2588e-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 = 3.50456 au 
 Jupiter MOID = .643838 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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