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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05952112402732924 5.8554e-08  
a 3.192377480997379 4.207e-08 au
q 3.002363585008881 1.9073e-07 au
i 15.62125199423017 6.7078e-06 deg
node 210.425174716619 2.3791e-05 deg
peri 185.8651778097703 6.5991e-05 deg
M 293.80675740313 6.0684e-05 deg
tp 2458983.572468596381
(2020-May-14.07246860)
0.00035338 TDB
period 2083.386208084301
5.70
4.1184e-05
1.128e-07
d
yr
n .17279561446796 3.4158e-09 deg/d
Q 3.382391376985877 4.4574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1996-10-07  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:01:44  

Additional Information
 Earth MOID = 2.00838 au 
 Jupiter MOID = 1.96346 au 
 T_jup = 3.136 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457068.5 (2015-Feb-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05775357262738892 5.8996e-08  
q 3.009230926091396 1.9249e-07 au
tp 2456868.867846549430
(2014-Jul-30.36784655)
0.00035495 TDB
node 210.535311938966 2.3853e-05 deg
peri 181.0217345046578 6.7772e-05 deg
i 15.59156184253179 6.7058e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1996-10-07  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:01:44  

Additional Information
 Jupiter MOID = 1.96346 au 
 T_jup = 3.136 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.480477373503077E-15 -1.110754892276249E-14 -3.876464318881943E-12 1.773869301061459E-14 -7.538949582628077E-13 -4.402134389097928E-15
q -1.110754892276249E-14 3.705238013275907E-14 1.54766613528703E-11 -5.374217729821666E-14 2.976051675121074E-12 1.874582918771648E-14
tp -3.876464318881943E-12 1.54766613528703E-11 1.259906138484977E-7 4.947016648548058E-11 2.256857706956393E-8 7.81300065936011E-12
node 1.773869301061459E-14 -5.374217729821666E-14 4.947016648548058E-11 5.689712858787628E-10 -5.394352069332095E-10 -2.430941406999769E-11
peri -7.538949582628077E-13 2.976051675121074E-12 2.256857706956393E-8 -5.394352069332095E-10 4.593032626990977E-9 2.476813318693035E-11
i -4.402134389097928E-15 1.874582918771648E-14 7.81300065936011E-12 -2.430941406999769E-11 2.476813318693035E-11 4.496761763346997E-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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