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295395 (2008 JO7)
Classification: Jupiter Trojan          SPK-ID: 2295395
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02982326594488553 5.2042e-08  
a 5.204518014276411 1.7764e-07 au
q 5.049302289421699 4.059e-07 au
i 18.72778940772994 5.7742e-06 deg
node 178.7087003575315 1.8917e-05 deg
peri 143.5286853665039 0.00014056 deg
M 270.9129647213943 0.00014318 deg
tp 2460073.701340725118
(2023-May-09.20134073)
0.0017506 TDB
period 4336.79807003102
11.87
0.00022204
6.079e-07
d
yr
n .08301055160666612 4.25e-09 deg/d
Q 5.359733739131125 1.8294e-07 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-09-28  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:17:54  

Additional Information
 Earth MOID = 4.05412 au 
 Jupiter MOID = .125695 au 
 T_jup = 2.893 
[ 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 13.0   n/a MPO437321  
diameter diameter 10.635 km 1.123 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.108   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

295395 (2008 JO7)          Discovered 2008-May-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 JO7 = 2000 SW321 = 2007 EC71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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