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249279 (2008 SO262)
Classification: Main-belt Asteroid          SPK-ID: 2249279
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05649362667640751 1.1131e-07  
a 2.981125095527907 3.8961e-08 au
q 2.812710527305484 3.4845e-07 au
i 3.904443332064518 8.9388e-06 deg
node 58.39891323895426 0.00017818 deg
peri 339.2590836194394 0.00020151 deg
M 78.10197967891622 9.4793e-05 deg
tp 2458592.623889619701
(2019-Apr-19.12388962)
0.00049226 TDB
period 1880.047091514971
5.15
3.6856e-05
1.009e-07
d
yr
n .1914845652668767 3.7539e-09 deg/d
Q 3.149539663750331 4.1162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7736 days (21.18 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:25  

Additional Information
 Earth MOID = 1.82037 au 
 Jupiter MOID = 2.11359 au 
 T_jup = 3.253 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457157.5 (2015-May-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05332194535241886 1.105e-07  
q 2.824152233660051 3.4334e-07 au
tp 2456710.031980537739
(2014-Feb-21.53198054)
0.00051372 TDB
node 58.54201814752136 0.00017835 deg
peri 338.8682785064321 0.0002045 deg
i 3.901740247313902 8.9171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7736 days (21.18 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:25  

Additional Information
 Jupiter MOID = 2.11359 au 
 T_jup = 3.253 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.220997178656011E-14 -3.775520522507589E-14 -3.755499378742582E-11 -5.282867912251636E-15 -7.310765148677169E-12 -1.448175644500737E-14
q -3.775520522507589E-14 1.178840553741493E-13 1.160908340852246E-10 3.223687219265601E-14 2.263569661317475E-11 4.49460844754916E-14
tp -3.755499378742582E-11 1.160908340852246E-10 2.639040153593089E-7 2.973522781289773E-10 5.169969483525598E-8 5.041024417298829E-11
node -5.282867912251636E-15 3.223687219265601E-14 2.973522781289773E-10 3.181008655430356E-8 -3.167582592785176E-8 -1.018877690752097E-9
peri -7.310765148677169E-12 2.263569661317475E-11 5.169969483525598E-8 -3.167582592785176E-8 4.18206853921274E-8 1.026319102281906E-9
i -1.448175644500737E-14 4.49460844754916E-14 5.041024417298829E-11 -1.018877690752097E-9 1.026319102281906E-9 7.951449139943853E-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 16.4   n/a MPO454847  
diameter diameter 3.359 km 1.522 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249279 (2008 SO262)          Discovered 2008-Sep-24 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 SO262 = 2003 UU84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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