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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431950338464265 5.8242e-08  
a 2.422616467062301 1.9162e-08 au
q 2.075709820064405 1.3375e-07 au
i 9.592120922921879 5.5001e-06 deg
node 198.9602113161003 2.2818e-05 deg
peri 353.9835548932158 2.6704e-05 deg
M 233.9442952150142 1.713e-05 deg
tp 2459482.764648949581
(2021-Sep-25.26464895)
6.9375e-05 TDB
period 1377.290095025735
3.77
1.6341e-05
4.474e-08
d
yr
n .2613828425109477 3.1011e-09 deg/d
Q 2.769523114060198 2.1906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      5506 days (15.07 yr)  
   first obs. used      2004-10-04  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62683  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:55:37  

Additional Information
 Earth MOID = 1.07518 au 
 Jupiter MOID = 2.18926 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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