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295636 (2008 SO253)
Classification: Main-belt Asteroid          SPK-ID: 2295636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434677444186906 5.8383e-08  
a 2.422082171830445 1.937e-08 au
q 2.074591505841208 1.3394e-07 au
i 9.593564102814693 5.5038e-06 deg
node 198.9608458917078 2.3258e-05 deg
peri 354.0278206804158 2.7148e-05 deg
M 129.315505857026 1.6353e-05 deg
tp 2458105.927643226235
(2017-Dec-18.42764323)
5.9264e-05 TDB
period 1376.834489093729
3.77
1.6516e-05
4.522e-08
d
yr
n .2614693362576661 3.1365e-09 deg/d
Q 2.769572837819682 2.2149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      5501 days (15.06 yr)  
   first obs. used      2004-10-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62833  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:02:07  

Additional Information
 Earth MOID = 1.07441 au 
 Jupiter MOID = 2.19035 au 
 T_jup = 3.480 
[ 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 16.8   n/a MPO450205  
diameter diameter 2.565 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295636 (2008 SO253)          Discovered 2008-Sep-21 by Spacewatch at Kitt Peak
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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