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295628 (2008 SP236)
Classification: Main-belt Asteroid          SPK-ID: 2295628
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 .05983549727074571 5.7266e-08  
a 3.193143573475276 3.9738e-08 au
q 3.002080239899497 1.8812e-07 au
i 15.61979573541617 6.6555e-06 deg
node 210.4265905899491 2.3079e-05 deg
peri 185.9006417508638 6.4723e-05 deg
M 2.898550985550482 5.9407e-05 deg
tp 2458983.719513822528
(2020-May-14.21951382)
0.00034384 TDB
period 2084.136195638624
5.71
3.8905e-05
1.065e-07
d
yr
n .1727334330421186 3.2244e-09 deg/d
Q 3.384206907051055 4.2115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8774 days (24.02 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:41  

Additional Information
 Earth MOID = 2.00877 au 
 Jupiter MOID = 1.96283 au 
 T_jup = 3.136 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457182.5 (2015-Jun-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0577218563022708 5.79e-08  
q 3.009424807690221 1.9e-07 au
tp 2456869.243796701774
(2014-Jul-30.74379670)
0.00034913 TDB
node 210.5340022466163 2.3138e-05 deg
peri 181.0982976778229 6.6741e-05 deg
i 15.5913003851251 6.6547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8774 days (24.02 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:41  

Additional Information
 Jupiter MOID = 1.96283 au 
 T_jup = 3.136 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.352395434836088E-15 -1.077978923217448E-14 -4.294632553155798E-12 1.870894473998699E-14 -8.220867163380191E-13 -4.152174378077375E-15
q -1.077978923217448E-14 3.610049445547461E-14 1.596361590633819E-11 -5.779379968532838E-14 3.05374215104069E-12 1.728147973810647E-14
tp -4.294632553155798E-12 1.596361590633819E-11 1.218916637617717E-7 3.207937725667093E-11 2.190354947706849E-8 5.118421090333694E-12
node 1.870894473998699E-14 -5.779379968532838E-14 3.207937725667093E-11 5.35372896524822E-10 -5.10142165242407E-10 -2.605460972285181E-11
peri -8.220867163380191E-13 3.05374215104069E-12 2.190354947706849E-8 -5.10142165242407E-10 4.454328682412523E-9 2.596543163095599E-11
i -4.152174378077375E-15 1.728147973810647E-14 5.118421090333694E-12 -2.605460972285181E-11 2.596543163095599E-11 4.428481924656119E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO455185  
diameter diameter 5.597 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295628 (2008 SP236)          Discovered 2008-Sep-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 SP236 = 2006 HY92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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