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295396 (2008 JW7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1573860691784076 6.2688e-08  
a 3.961801354916629 8.4933e-08 au
q 3.338269012800612 2.9115e-07 au
i 9.57200415911792 8.9354e-06 deg
node 150.6114247001252 3.9118e-05 deg
peri 272.261801342349 4.9185e-05 deg
M 297.4469686726045 3.0037e-05 deg
tp 2459100.976086283213
(2020-Sep-08.47608628)
0.00024697 TDB
period 2880.298320299781
7.89
9.2622e-05
2.536e-07
d
yr
n .1249870534113742 4.0192e-09 deg/d
Q 4.585333697032647 9.8301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5043 days (13.81 yr)  
   first obs. used      2006-01-09  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 06:59:55  

Additional Information
 Earth MOID = 2.37058 au 
 Jupiter MOID = .989837 au 
 T_jup = 3.013 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO455183  
diameter diameter 7.546 km 0.814 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

295396 (2008 JW7)          Discovered 2008-May-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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