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226925 (2004 TN251)
Classification: Main-belt Asteroid          SPK-ID: 2226925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06726648185683334 6.0129e-08  
a 2.763718283784256 2.325e-08 au
q 2.577812677990684 1.6995e-07 au
i 2.491076416504485 5.1666e-06 deg
node 284.0859154850062 0.0001708 deg
peri 131.8013415862446 0.0001768 deg
M 110.5590993989133 4.6316e-05 deg
tp 2458485.115828956094
(2019-Jan-01.61582896)
0.00021451 TDB
period 1678.182099750624
4.59
2.1177e-05
5.798e-08
d
yr
n .2145178404974619 2.707e-09 deg/d
Q 2.949623889577829 2.4814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1995-11-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:00:46  

Additional Information
 Earth MOID = 1.5903 au 
 Jupiter MOID = 2.27892 au 
 T_jup = 3.336 
[ 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 16.8   n/a MPO418211  
diameter diameter 2.735 km 0.575 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226925 (2004 TN251)          Discovered 2004-Oct-09 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 TN251 = 1995 WA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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