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461520 (2003 SL161)
Classification: Main-belt Asteroid          SPK-ID: 2461520
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839636683604753 5.5124e-08  
a 2.280518317111486 1.3136e-08 au
q 1.860985801732399 1.2874e-07 au
i 3.2381563641792 7.4406e-06 deg
node 24.22570346174474 0.00010095 deg
peri 309.936691610871 0.0001028 deg
M 321.4961227076732 2.0098e-05 deg
tp 2459135.039787682959
(2020-Oct-12.53978768)
7.0575e-05 TDB
period 1257.907695844368
3.44
1.0869e-05
2.976e-08
d
yr
n .2861895202559762 2.4728e-09 deg/d
Q 2.700050832490573 1.5553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6131 days (16.79 yr)  
   first obs. used      2003-09-02  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:28:06  

Additional Information
 Earth MOID = .853141 au 
 Jupiter MOID = 2.66709 au 
 T_jup = 3.581 
[ 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 17.6   n/a MPO434673  

461520 (2003 SL161)          Discovered 2003-Sep-18 by LINEAR at Socorro
Reference: Last Updated: 2016-03-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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