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226946 (2004 TN355)
Classification: Main-belt Asteroid          SPK-ID: 2226946
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935637435155777 4.5669e-08  
a 2.774730019559545 2.1347e-08 au
q 2.237642889728547 1.2614e-07 au
i 13.57727840674491 5.53e-06 deg
node 54.86576313617442 2.0976e-05 deg
peri 272.198722306224 2.6088e-05 deg
M 173.2345843770206 1.8349e-05 deg
tp 2458188.115509172840
(2018-Mar-10.61550917)
8.3126e-05 TDB
period 1688.221885655829
4.62
1.9482e-05
5.334e-08
d
yr
n .213242111750109 2.4609e-09 deg/d
Q 3.311817149390542 2.5479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8949 days (24.50 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:06  

Additional Information
 Earth MOID = 1.27666 au 
 Jupiter MOID = 2.20225 au 
 T_jup = 3.268 
[ 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 15.7   n/a MPO503112  

226946 (2004 TN355)          Discovered 2004-Oct-07 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 TN355 = 1995 UP16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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