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214471 (2005 SO249)
Classification: Main-belt Asteroid          SPK-ID: 2214471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917631393358527 4.0659e-08  
a 3.157350736015966 3.7744e-08 au
q 2.551887246893179 1.348e-07 au
i 6.951279989595498 7.0317e-06 deg
node 47.08044602171778 4.3608e-05 deg
peri 249.4668579652623 4.7693e-05 deg
M 270.5057361041208 2.1191e-05 deg
tp 2459509.919269771817
(2021-Oct-22.41926977)
0.00012538 TDB
period 2049.192083765477
5.61
3.6745e-05
1.006e-07
d
yr
n .1756789921511335 3.1502e-09 deg/d
Q 3.762814225138753 4.4982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6232 days (17.06 yr)  
   first obs. used      2003-03-31  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:06:41  

Additional Information
 Earth MOID = 1.54665 au 
 Jupiter MOID = 1.51264 au 
 T_jup = 3.166 
[ 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 15.5   n/a MPO433402  
diameter diameter 3.958 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214471 (2005 SO249)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 SO249 = 2004 LU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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