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226931 (2004 TT280)
Classification: Main-belt Asteroid          SPK-ID: 2226931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07670031865205938 4.6525e-08  
a 2.809323601672966 2.6344e-08 au
q 2.593847586227898 1.2995e-07 au
i 2.783018990452985 5.8282e-06 deg
node 31.67767779315844 9.8756e-05 deg
peri 135.5034366082438 0.00010639 deg
M 276.0085169830082 4.0814e-05 deg
tp 2459001.767353244664
(2020-Jun-01.26735324)
0.0001978 TDB
period 1719.891612568089
4.71
2.4192e-05
6.623e-08
d
yr
n .2093155157972189 2.9442e-09 deg/d
Q 3.024799617118034 2.8364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2001-01-19  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:55:58  

Additional Information
 Earth MOID = 1.60166 au 
 Jupiter MOID = 1.94315 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457068.5 (2015-Feb-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07800311092411867 4.6535e-08  
q 2.590316323538495 1.3036e-07 au
tp 2457285.199076357841
(2015-Sep-19.69907636)
0.00018336 TDB
node 31.71561065959552 9.8833e-05 deg
peri 136.1402668103898 0.00010621 deg
i 2.78276449186288 5.8247e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2001-01-19  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:55:58  

Additional Information
 Jupiter MOID = 1.94315 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.165548044006627E-15 -5.963045676558943E-15 1.978742744752678E-12 -4.312577297211535E-15 4.48615064725591E-13 1.660833429340407E-16
q -5.963045676558943E-15 1.699434950642972E-14 -3.799328109871462E-12 1.007124431717185E-14 -9.061746590746283E-13 3.441801220725164E-17
tp 1.978742744752678E-12 -3.799328109871462E-12 3.362006362222065E-8 -4.616211182058825E-11 7.152596460367113E-9 5.222459346050721E-12
node -4.312577297211535E-15 1.007124431717185E-14 -4.616211182058825E-11 9.767988833998356E-9 -9.765822030004712E-9 1.866547303472655E-11
peri 4.48615064725591E-13 -9.061746590746283E-13 7.152596460367113E-9 -9.765822030004712E-9 1.128110078522772E-8 -1.755614417967541E-11
i 1.660833429340407E-16 3.441801220725164E-17 5.222459346050721E-12 1.866547303472655E-11 -1.755614417967541E-11 3.392695077208784E-11

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 16.0   n/a MPO433485  

226931 (2004 TT280)          Discovered 2004-Oct-10 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 TT280 = 2002 JZ138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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