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70621 (1999 TC214)
Classification: Main-belt Asteroid          SPK-ID: 2070621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728372395279701 3.8157e-08  
a 2.728462480809111 1.8233e-08 au
q 2.256882557470427 1.0367e-07 au
i 4.006176419143188 5.877e-06 deg
node 175.3708350976366 6.7273e-05 deg
peri 284.9248335193065 6.9726e-05 deg
M 238.1528496022153 1.8617e-05 deg
tp 2459953.670715666569
(2023-Jan-09.17071567)
8.7217e-05 TDB
period 1646.172741710763
4.51
1.6501e-05
4.518e-08
d
yr
n .2186890785385468 2.1921e-09 deg/d
Q 3.200042404147794 2.1385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      10868 days (29.75 yr)  
   first obs. used      1990-10-19  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:49  

Additional Information
 Earth MOID = 1.27793 au 
 Jupiter MOID = 1.9749 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456843.5 (2014-Jul-05.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768826960115656 3.8597e-08  
q 2.241164687494895 1.0563e-07 au
tp 2456666.491180028857
(2014-Jan-08.99118003)
7.6094e-05 TDB
node 175.6578188428975 6.7619e-05 deg
peri 284.2538031068214 6.9852e-05 deg
i 3.997517413558415 5.8719e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      10868 days (29.75 yr)  
   first obs. used      1990-10-19  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:49  

Additional Information
 Jupiter MOID = 1.9749 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.48973837459678E-15 -4.038450446380731E-15 -2.888394541178572E-13 -3.970176408832599E-15 -9.490589113798443E-14 -8.131303904778892E-16
q -4.038450446380731E-15 1.115686746717418E-14 8.510416933709406E-13 1.076284238907982E-14 2.763935972447339E-13 2.5989469801543E-15
tp -2.888394541178572E-13 8.510416933709406E-13 5.790357792927808E-9 -6.363751814734187E-12 1.355091139881585E-9 7.34178398849474E-14
node -3.970176408832599E-15 1.076284238907982E-14 -6.363751814734187E-12 4.572266340056536E-9 -4.561745197773825E-9 1.078961101321208E-10
peri -9.490589113798443E-14 2.763935972447339E-13 1.355091139881585E-9 -4.561745197773825E-9 4.879282027985002E-9 -1.075817950055776E-10
i -8.131303904778892E-16 2.5989469801543E-15 7.34178398849474E-14 1.078961101321208E-10 -1.075817950055776E-10 3.447883085072527E-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 15.59   n/a E2021B10  

70621 (1999 TC214)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1985-Jan-20 07:33 < 00:01 Jupiter 1.98863926695319 1.98863890943808 1.9886396244683 2.07619027610467 1.85975930337901 2446085.814861887 0.851998123073102 63.6614404832443 10.993108068486 -81.4675354763131 2764152.96122141 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:51 2021-Apr-13 12:50
2021-May-08 06:27 < 00:01 Jupiter 1.99264892749964 1.99264850214512 1.99264935285404 2.41908572790569 2.23647680532609 2459342.768575054 0.299915944679959 57.0117187509421 8.7157181178322 -88.2052798745771 2465797.6859293 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:51 2021-Apr-13 12:50
2115-May-26 20:11 00:03 Jupiter 1.99731823585858 1.99731756838277 1.99731890333497 2.06209078871984 1.84500911313013 2493693.341269295 2.82525685663796 82.6558653161209 15.0419285118554 -74.8641658801263 2835195.44035087 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:51 2021-Apr-13 12:50
2151-Sep-12 04:09 00:04 Jupiter 1.97425577251163 1.97425531210511 1.97425623291904 2.27768324618243 2.08081073486928 2506950.672840009 3.84169628055408 187.606827668854 12.1688787903327 -80.999166836058 2089866.97058119 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:51 2021-Apr-13 12:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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