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469540 (2003 SK323)
Classification: Main-belt Asteroid          SPK-ID: 2469540
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331802919256895 1.3249e-07  
a 2.628053440386674 2.1766e-08 au
q 2.278048515999664 3.3751e-07 au
i 1.867595850729544 8.0007e-06 deg
node 264.0053856048997 0.0003342 deg
peri 113.6984749261943 0.00033725 deg
M 314.3004469582473 3.7369e-05 deg
tp 2459198.041872850466
(2020-Dec-14.54187285)
0.00016225 TDB
period 1556.143758368813
4.26
1.9332e-05
5.293e-08
d
yr
n .2313410943326731 2.874e-09 deg/d
Q 2.978058364773684 2.4665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5768 days (15.79 yr)  
   first obs. used      2002-04-06  
   last obs. used      2018-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43624  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:57:00  

Additional Information
 Earth MOID = 1.28059 au 
 Jupiter MOID = 2.48977 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO434688  
rotation period rot_per 8.96 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

469540 (2003 SK323)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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