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146525 (2001 SO155)
Classification: Main-belt Asteroid          SPK-ID: 2146525
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06665509727126769 3.7432e-08  
a 2.677359749551657 1.7867e-08 au
q 2.498900075015114 9.785e-08 au
i 1.817294058836178 5.383e-06 deg
node 334.8967524694869 0.00013547 deg
peri 107.7014461876003 0.00014466 deg
M 39.65823631562848 4.8441e-05 deg
tp 2458824.225530013177
(2019-Dec-06.72553001)
0.00021503 TDB
period 1600.141990435633
4.38
1.6017e-05
4.385e-08
d
yr
n .2249800343668198 2.252e-09 deg/d
Q 2.8558194240882 1.9058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:24:58  

Additional Information
 Earth MOID = 1.51557 au 
 Jupiter MOID = 2.27901 au 
 T_jup = 3.374 
[ 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 15.8   n/a MPO366825  

146525 (2001 SO155)          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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