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JPL Small-Body Database Browser
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523857 (1995 TW4)
Classification: Main-belt Asteroid          SPK-ID: 2523857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760392588747071 8.017e-08  
a 3.182156502469746 3.772e-08 au
q 2.621972030151642 2.5972e-07 au
i 12.48879058973109 1.0889e-05 deg
node 21.44856230258931 4.126e-05 deg
peri 337.1140489791719 5.2841e-05 deg
M 62.8104583838534 2.9913e-05 deg
tp 2458238.748624247100
(2018-Apr-30.24862425)
0.00017175 TDB
period 2073.388709809548
5.68
3.6866e-05
1.009e-07
d
yr
n .1736288030781589 3.0872e-09 deg/d
Q 3.74234097478785 4.4361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:40  

Additional Information
 Earth MOID = 1.62353 au 
 Jupiter MOID = 1.72825 au 
 T_jup = 3.138 
[ 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 E2018W41  

523857 (1995 TW4)          Discovered 1995-Oct-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

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