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295632 (2008 SS249)
Classification: Main-belt Asteroid          SPK-ID: 2295632
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076940910884122 5.222e-08  
a 3.194301956021361 4.7723e-08 au
q 2.850294510205703 1.7251e-07 au
i 7.329096045609514 5.9622e-06 deg
node 236.6674149450705 5.1928e-05 deg
peri 2.556092048998616 6.0536e-05 deg
M 135.0004117298262 3.0094e-05 deg
tp 2458218.521216083345
(2018-Apr-10.02121608)
0.00017437 TDB
period 2085.270397347982
5.71
4.6731e-05
1.279e-07
d
yr
n .1726394814110645 3.8689e-09 deg/d
Q 3.538309401837019 5.2863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5784 days (15.84 yr)  
   first obs. used      2003-12-01  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55104  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:01:44  

Additional Information
 Earth MOID = 1.8381 au 
 Jupiter MOID = 1.47476 au 
 T_jup = 3.174 
[ 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 15.6   n/a MPO450205  
diameter diameter 5.763 km 0.894 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295632 (2008 SS249)          Discovered 2008-Sep-23 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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