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35176 (1993 TK21)
Classification: Main-belt Asteroid          SPK-ID: 2035176
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094065026734215 1.211e-07  
a 2.358606920195661 2.2707e-08 AU
q 2.100559985875724 2.8719e-07 AU
i 7.706951830940311 1.1531e-05 deg
node 30.36675770143118 6.7347e-05 deg
peri 1.685538025605405 8.2112e-05 deg
M 238.9167675042812 4.9363e-05 deg
tp 2457245.503355070290
(2015-Aug-11.00335507)
0.00018439 JED
period 1323.066823731922
3.62
1.9107e-05
5.231e-08
d
yr
n .2720951002191728 3.9294e-09 deg/d
Q 2.616653854515598 2.5192e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      1993-10-09  
   last obs. used      2013-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63272  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 23:56:04  

Additional Information
 Earth MOID = 1.10492 AU 
 T_jup = 3.532 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO259579  

35176 (1993 TK21)          Discovered 1993-Oct-10 by Holt, H. E. at Palomar (675)
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TK21 = 2000 QC189 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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