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474611 (2004 SB56)
Classification: Aten [NEO]          SPK-ID: 2474611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2377104240995431 1.8876e-07  
a .8657637360738989 2.224e-09 au
q .6599626712017674 1.6406e-07 au
i 18.6938486776802 3.5507e-05 deg
node 302.0542435012133 3.3504e-05 deg
peri 233.5497390340441 4.779e-05 deg
M 244.6708235658964 9.0805e-05 deg
tp 2459294.761468842789
(2021-Mar-21.26146884)
7.4164e-05 TDB
period 294.2371551815706
0.81
1.1337e-06
3.104e-09
d
yr
n 1.223502856999306 4.7144e-09 deg/d
Q 1.07156480094603 2.7526e-09 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      5826 days (15.95 yr)  
   first obs. used      2004-09-25  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:36:55  

Additional Information
 Earth MOID = .054851 au 
 Jupiter MOID = 3.94637 au 
 T_jup = 6.761 
[ 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 19.2   n/a MPO254731  

474611 (2004 SB56)          Discovered 2004-Sep-25 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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