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226854 (2004 TN4)
Classification: Main-belt Asteroid          SPK-ID: 2226854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776457222167778 4.6106e-08  
a 3.171527538000837 3.6534e-08 au
q 2.608119237982279 1.5259e-07 au
i 3.758431609836139 6.562e-06 deg
node 202.1081825882442 8.0953e-05 deg
peri 265.12473683 8.3554e-05 deg
M 214.0119685537953 2.5197e-05 deg
tp 2459837.096240372022
(2022-Sep-14.59624037)
0.00015353 TDB
period 2063.009162808719
5.65
3.5647e-05
9.76e-08
d
yr
n .1745023756995203 3.0152e-09 deg/d
Q 3.734935838019395 4.3024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:32  

Additional Information
 Earth MOID = 1.62828 au 
 Jupiter MOID = 1.43934 au 
 T_jup = 3.174 
[ 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 15.8   n/a MPO433485  

226854 (2004 TN4)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 TN4 = 2006 CA31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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