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266996 (2010 XQ78)
Classification: Jupiter Trojan          SPK-ID: 2266996
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06478784671502093 1.3052e-07  
a 5.1998810470148 3.9028e-07 au
q 4.862991950804463 9.4063e-07 au
i 24.20458473583006 1.0694e-05 deg
node 92.68813815411835 2.1569e-05 deg
peri 329.3011198438576 9.9788e-05 deg
M 268.748139969044 0.00011341 deg
tp 2459698.311472353071
(2022-Apr-28.81147235)
0.0014514 TDB
period 4331.003553385491
11.86
0.0004876
1.335e-06
d
yr
n .08312161270765815 9.3581e-09 deg/d
Q 5.536770143225138 4.1556e-07 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2002-04-10  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51576  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:15:36  

Additional Information
 Earth MOID = 3.89522 au 
 Jupiter MOID = .241474 au 
 T_jup = 2.820 
[ 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 12.9   n/a MPO454985  
diameter diameter 14.525 km 0.538 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.070   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

266996 (2010 XQ78)          Discovered 2009-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2010 XQ78 = 2010 BL65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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