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312806 (2010 XG85)
Classification: Jupiter Trojan          SPK-ID: 2312806
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03534960585442386 1.0536e-07  
a 5.168078703421898 3.0282e-07 au
q 4.985389158231293 7.9978e-07 au
i 10.56397088286066 6.3705e-06 deg
node 116.6896719333188 3.957e-05 deg
peri 288.3662828193853 0.00012154 deg
M 318.172816797717 0.00012322 deg
tp 2459499.095348853566
(2021-Oct-11.59534885)
0.0014883 TDB
period 4291.33190057815
11.75
0.00037718
1.033e-06
d
yr
n .0838900388831493 7.3733e-09 deg/d
Q 5.350768248612503 3.1353e-07 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6843 days (18.74 yr)  
   first obs. used      2001-01-02  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:12:47  

Additional Information
 Earth MOID = 4.01381 au 
 Jupiter MOID = .0854097 au 
 T_jup = 2.965 
[ 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 13.2   n/a MPO455306  

312806 (2010 XG85)          Discovered 2001-Jan-02 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2010 XG85 = 2001 AH39 = 2009 SF326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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