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146568 (2001 TW54)
Classification: Main-belt Asteroid          SPK-ID: 2146568
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861559660784853 9.369e-08  
a 2.538679655680512 1.6769e-08 au
q 2.06608929181351 2.3972e-07 au
i 3.285183575608561 8.614e-06 deg
node 285.3848930183426 0.00022076 deg
peri 172.771890870249 0.00023166 deg
M 152.9115272337428 6.6685e-05 deg
tp 2458372.950473695118
(2018-Sep-11.45047370)
0.00027424 TDB
period 1477.441456224658
4.05
1.4638e-05
4.008e-08
d
yr
n .2436644771833577 2.4142e-09 deg/d
Q 3.011270019547514 1.989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      6454 days (17.67 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:08  

Additional Information
 Earth MOID = 1.083 au 
 Jupiter MOID = 2.15742 au 
 T_jup = 3.420 
[ 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 15.9   n/a MPO469554  

146568 (2001 TW54)          Discovered 2001-Oct-14 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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