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216309 (2007 TZ121)
Classification: Main-belt Asteroid          SPK-ID: 2216309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656421353754865 3.5849e-08  
a 2.378859326915399 1.1728e-08 au
q 1.98481998824724 8.9227e-08 au
i 1.660923323420153 4.1084e-06 deg
node 143.2925274549057 0.00014909 deg
peri 291.6819577798671 0.00014988 deg
M 232.5859365167686 1.603e-05 deg
tp 2459870.814535499653
(2022-Oct-18.31453550)
6.1716e-05 TDB
period 1340.144314621496
3.67
9.9109e-06
2.713e-08
d
yr
n .2686277858826545 1.9866e-09 deg/d
Q 2.772898665583559 1.3671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      2000-12-23  
   last obs. used      2021-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:40:56  

Additional Information
 Earth MOID = 1.00045 au 
 Jupiter MOID = 2.48195 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457620.5 (2016-Aug-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659055855184002 3.5736e-08  
q 1.983951710015742 8.885e-08 au
tp 2457193.261202394570
(2015-Jun-19.76120239)
5.2731e-05 TDB
node 143.3122765654845 0.00014918 deg
peri 292.035296906024 0.00014996 deg
i 1.660391794919703 4.1079e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      2000-12-23  
   last obs. used      2021-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:40:56  

Additional Information
 Jupiter MOID = 2.48195 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.277058534499204E-15 -3.158279824330396E-15 -5.433729145596039E-13 -3.634851657901998E-15 -1.579109631950417E-13 -1.133609397621855E-15
q -3.158279824330396E-15 7.894396422627433E-15 1.437045713561399E-12 9.433571351975607E-15 4.233115999099009E-13 2.951351713903736E-15
tp -5.433729145596039E-13 1.437045713561399E-12 2.780565637431798E-9 9.110542415986244E-12 8.239362789807195E-10 1.695028810738109E-12
node -3.634851657901998E-15 9.433571351975607E-15 9.110542415986244E-12 2.225361439928078E-8 -2.224127916978318E-8 1.360458305162665E-10
peri -1.579109631950417E-13 4.233115999099009E-13 8.239362789807195E-10 -2.224127916978318E-8 2.248753661924125E-8 -1.354833013420083E-10
i -1.133609397621855E-15 2.951351713903736E-15 1.695028810738109E-12 1.360458305162665E-10 -1.354833013420083E-10 1.687498604274139E-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 17.44   n/a E2021B55  

216309 (2007 TZ121)          Discovered 2007-Oct-06 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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