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312778 (2010 VA30)
Classification: Jupiter Trojan          SPK-ID: 2312778
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156792104364194 1.143e-07  
a 5.210669497125802 3.2377e-07 au
q 4.607903363853155 7.7404e-07 au
i 15.28335177735301 7.1829e-06 deg
node 106.7032954233769 3.4005e-05 deg
peri 329.7541729573077 5.7816e-05 deg
M 278.4067456852977 6.0466e-05 deg
tp 2459985.169469783904
(2023-Feb-09.66946978)
0.00080664 TDB
period 4344.489162731333
11.89
0.00040492
1.109e-06
d
yr
n .08286359719531948 7.7232e-09 deg/d
Q 5.81343563039845 3.6122e-07 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      7169 days (19.63 yr)  
   first obs. used      2000-01-05  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:21  

Additional Information
 Earth MOID = 3.63345 au 
 Jupiter MOID = .527289 au 
 T_jup = 2.916 
[ 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 12.7   n/a MPO455306  
diameter diameter 16.271 km 1.305 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.055   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312778 (2010 VA30)          Discovered 2009-Oct-21 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2010 VA30 = 2010 AY81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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