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JPL Small-Body Database Browser
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226905 (2004 TN185)
Classification: Main-belt Asteroid          SPK-ID: 2226905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212042644109912 4.3979e-08  
a 2.745540245856198 2.7177e-08 au
q 2.412769059946426 1.2353e-07 au
i 9.275811531171643 7.5941e-06 deg
node 11.52185925292217 3.2909e-05 deg
peri 251.5603589770441 4.7443e-05 deg
M 174.1564287475554 3.5241e-05 deg
tp 2457796.646035543544
(2017-Feb-12.14603554)
0.00016132 TDB
period 1661.65228171852
4.55
2.4672e-05
6.755e-08
d
yr
n .2166518253913385 3.2168e-09 deg/d
Q 3.07831143176597 3.0471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7914 days (21.67 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:28:38  

Additional Information
 Earth MOID = 1.41721 au 
 Jupiter MOID = 2.04095 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO433485  

226905 (2004 TN185)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 TN185 = 2007 ET47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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