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JPL Small-Body Database Browser
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146561 (2001 TC4)
Classification: Main-belt Asteroid          SPK-ID: 2146561
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716310059161323 5.2049e-08  
a 2.659976529119912 1.3618e-08 au
q 2.203442081713759 1.42e-07 au
i 2.365098558188062 4.7441e-06 deg
node 242.1591595198621 0.00012733 deg
peri 132.00386150672 0.00012796 deg
M 22.60484253178711 1.2446e-05 deg
tp 2458501.002053186919
(2019-Jan-17.50205319)		 5.452e-05 TDB
period 1584.583515781618
4.34		 1.2169e-05
3.332e-08		 d
yr
n .2271890351089667 1.7447e-09 deg/d
Q 3.116510976526064 1.5956e-08 au
   Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      9421 days (25.79 yr)  
   first obs. used      1994-01-10  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55989  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:05:21  

Additional Information
 Earth MOID = 1.20435 au 
 Jupiter MOID = 2.3531 au 
 T_jup = 3.364 
[ 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 16.1   n/a MPO453931  

146561 (2001 TC4)          Discovered 2001-Oct-07 by NEAT at Palomar
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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