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70674 (1999 TD320)
Classification: Main-belt Asteroid          SPK-ID: 2070674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05840897622749638 3.3254e-08  
a 2.420534382210104 1.0079e-08 au
q 2.279153447021756 7.897e-08 au
i 5.798694818495887 4.4145e-06 deg
node 317.9241557349966 4.8218e-05 deg
peri 128.9991275796081 7.6055e-05 deg
M 165.8727870006146 5.7529e-05 deg
tp 2458566.720844160803
(2019-Mar-24.22084416)
0.00021954 TDB
period 1375.514936643982
3.77
8.5915e-06
2.352e-08
d
yr
n .2617201677782851 1.6347e-09 deg/d
Q 2.561915317398451 1.0668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:51:06  

Additional Information
 Earth MOID = 1.30049 au 
 Jupiter MOID = 2.53971 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457407.5 (2016-Jan-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05808171008699198 3.275e-08  
q 2.280858674610392 7.7538e-08 au
tp 2457194.814043894897
(2015-Jun-21.31404389)
0.0002215 TDB
node 317.9789195295422 4.8171e-05 deg
peri 130.0130916976766 7.6394e-05 deg
i 5.801038752636251 4.4163e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:51:06  

Additional Information
 Jupiter MOID = 2.53971 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.072547304787158E-15 -2.521006065929885E-15 -2.611737991587299E-12 -1.176589868957847E-14 -7.096187222933149E-13 -1.779616769417002E-15
q -2.521006065929885E-15 6.01213936235982E-15 6.257230297330305E-12 2.929808210202599E-14 1.69994122640084E-12 4.445352572168505E-15
tp -2.611737991587299E-12 6.257230297330305E-12 4.906435290103227E-8 1.144616011102212E-10 1.316347264983904E-8 9.2313968350547E-12
node -1.176589868957847E-14 2.929808210202599E-14 1.144616011102212E-10 2.320413686203061E-9 -2.277099114198034E-9 1.045425359104294E-10
peri -7.096187222933149E-13 1.69994122640084E-12 1.316347264983904E-8 -2.277099114198034E-9 5.835971888372714E-9 -1.014903116434398E-10
i -1.779616769417002E-15 4.445352572168505E-15 9.2313968350547E-12 1.045425359104294E-10 -1.014903116434398E-10 1.950399136661415E-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 15.6   n/a MPO309687  

70674 (1999 TD320)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TD320 = 1997 CT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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