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469479 (2002 TW70)
Classification: Main-belt Asteroid          SPK-ID: 2469479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2377801138668285 6.7453e-08  
a 2.326602702272551 2.0837e-08 au
q 1.773382846803313 1.6423e-07 au
i 4.406409516215394 9.8739e-06 deg
node 261.0742085441221 0.00014286 deg
peri 131.3443847518411 0.00015998 deg
M 91.09792172663903 6.8495e-05 deg
tp 2459068.489506484011
(2020-Aug-06.98950648)
0.0002433 TDB
period 1296.229106302714
3.55
1.7414e-05
4.768e-08
d
yr
n .2777286810252567 3.7311e-09 deg/d
Q 2.879822557741789 2.5792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      6655 days (18.22 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:16  

Additional Information
 Earth MOID = .782757 au 
 Jupiter MOID = 2.57414 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456932.5 (2014-Oct-02.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2393446668652141 6.7364e-08  
q 1.768903705537472 1.6386e-07 au
tp 2456476.686975387473
(2013-Jul-03.18697539)
0.00021261 TDB
node 261.1309957494488 0.00014298 deg
peri 131.1792609675293 0.00015962 deg
i 4.404844899767537 9.8623e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      6655 days (18.22 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:16  

Additional Information
 Jupiter MOID = 2.57414 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.537872011471682E-15 -1.09966186922186E-14 -8.399177526010672E-12 -3.083609289793359E-13 -2.743467113666225E-12 -5.135521816900187E-14
q -1.09966186922186E-14 2.684865029961852E-14 2.174980423348458E-11 7.7842947801781E-13 7.140029054303049E-12 1.307242452951616E-13
tp -8.399177526010672E-12 2.174980423348458E-11 4.520490320036094E-8 1.305176501584493E-9 1.526141572549296E-8 2.188141384071292E-10
node -3.083609289793359E-13 7.7842947801781E-13 1.305176501584493E-9 2.044464667893369E-8 -1.990649282722836E-8 8.174106441649951E-10
peri -2.743467113666225E-12 7.140029054303049E-12 1.526141572549296E-8 -1.990649282722836E-8 2.547755077157346E-8 -7.347009670448877E-10
i -5.135521816900187E-14 1.307242452951616E-13 2.188141384071292E-10 8.174106441649951E-10 -7.347009670448877E-10 9.726469213751862E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.02   n/a MPCxxxxx  

469479 (2002 TW70)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

Alternate Designations
 2002 TW70 = 2009 SD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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