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146521 (2001 SX145)
Classification: Main-belt Asteroid          SPK-ID: 2146521
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214350014645843 5.8467e-08  
a 2.664156540065109 2.1223e-08 au
q 2.340634686720421 1.5938e-07 au
i 3.649737944376129 6.2313e-06 deg
node 321.5060395044883 7.9668e-05 deg
peri 44.30866951824304 8.311e-05 deg
M 104.4107980552878 2.4309e-05 deg
tp 2458539.839525556659
(2019-Feb-25.33952556)
0.00010497 TDB
period 1588.320115241223
4.35
1.8979e-05
5.196e-08
d
yr
n .2266545619774674 2.7083e-09 deg/d
Q 2.987678393409797 2.38e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:55  

Additional Information
 Earth MOID = 1.34032 au 
 Jupiter MOID = 2.47486 au 
 T_jup = 3.371 
[ 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 16.5   n/a MPO453930  

146521 (2001 SX145)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 SX145 = 2003 BZ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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