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226911 (2004 TF198)
Classification: Main-belt Asteroid          SPK-ID: 2226911
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03210984899906334 4.2329e-08  
a 2.774558922930871 2.7752e-08 au
q 2.685468254876557 1.1894e-07 au
i .4741673149069531 5.2104e-06 deg
node 122.3727276832829 0.00092601 deg
peri 158.3601935039127 0.0009346 deg
M 156.429933727821 0.00012476 deg
tp 2457866.988856776040
(2017-Apr-23.48885678)
0.0005876 TDB
period 1688.065738237041
4.62
2.5327e-05
6.934e-08
d
yr
n .2132618368144666 3.1997e-09 deg/d
Q 2.863649590985185 2.8643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      1999-09-06  
   last obs. used      2018-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:20:43  

Additional Information
 Earth MOID = 1.66843 au 
 Jupiter MOID = 2.16369 au 
 T_jup = 3.335 
[ 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 16.5   n/a MPO422880  
diameter diameter 3.152 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226911 (2004 TF198)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 TF198 = 2005 YQ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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