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201583 (2003 SJ87)
Classification: Main-belt Asteroid          SPK-ID: 2201583
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537697730041922 6.2056e-08  
a 2.710412748173359 2.4514e-08 au
q 2.293633195139072 1.8007e-07 au
i 11.34864583543452 6.7334e-06 deg
node 34.66451690671294 2.4702e-05 deg
peri 304.5997630854961 3.1613e-05 deg
M 282.0808556733123 2.1151e-05 deg
tp 2459353.271301818002
(2021-May-18.77130182)
9.8354e-05 TDB
period 1629.864775234491
4.46
2.2111e-05
6.054e-08
d
yr
n .2208772196749919 2.9965e-09 deg/d
Q 3.127192301207645 2.8283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2002-05-17  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:04:51  

Additional Information
 Earth MOID = 1.3082 au 
 Jupiter MOID = 2.36295 au 
 T_jup = 3.318 
[ 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 15.7   n/a MPO433320  
rotation period rot_per 7.967 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

201583 (2003 SJ87)          Discovered 2003-Sep-17 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 SJ87 = 2002 KS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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