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146526 (2001 SX156)
Classification: Main-belt Asteroid          SPK-ID: 2146526
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195135468688478 3.7816e-08  
a 2.640731349374232 1.5581e-08 au
q 2.325128179482759 1.0057e-07 au
i 4.093122445554756 4.0462e-06 deg
node 247.7285160350063 8.2701e-05 deg
peri 166.8285389712565 8.6747e-05 deg
M 86.09046548748185 2.6153e-05 deg
tp 2458625.667435783173
(2019-May-22.16743578)
0.00011295 TDB
period 1567.417743114407
4.29
1.3872e-05
3.798e-08
d
yr
n .2296771244178287 2.0327e-09 deg/d
Q 2.956334519265705 1.7443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-11-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:00  

Additional Information
 Earth MOID = 1.33687 au 
 Jupiter MOID = 2.36586 au 
 T_jup = 3.381 
[ 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 16.3   n/a MPO453930  

146526 (2001 SX156)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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