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243504 (2009 VD77)
Classification: Jupiter Trojan          SPK-ID: 2243504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07587065107451205 1.1774e-07  
a 5.215261066682594 2.6739e-07 au
q 4.819575814029831 7.6291e-07 au
i 20.23470668105841 7.2174e-06 deg
node 96.79430721647569 2.5707e-05 deg
peri 271.8992933895614 6.0731e-05 deg
M 1.8378575723649 5.5699e-05 deg
tp 2458978.291365429928
(2020-May-08.79136543)
0.00067335 TDB
period 4350.232882811545
11.91
0.00033456
9.16e-07
d
yr
n .08275419033827285 6.3642e-09 deg/d
Q 5.610946319335357 2.8767e-07 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6381 days (17.47 yr)  
   first obs. used      2002-04-10  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:15:45  

Additional Information
 Earth MOID = 3.89591 au 
 Jupiter MOID = .00143205 au 
 T_jup = 2.871 
[ 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 12.5   n/a MPO454787  
diameter diameter 11.921 km 0.989 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.149   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243504 (2009 VD77)          Discovered 2009-Nov-08 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 VD77 = 2004 KZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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