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(2012 DR32)
Classification: Aten [NEO]          SPK-ID: 3599872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4857511914662695 3.2193e-07  
a .8863942475024238 2.3459e-09 au
q .455827185669274 2.8565e-07 au
i 17.19922965325597 2.7126e-05 deg
node 341.0197614849441 3.0513e-06 deg
peri 312.0085679926723 1.0246e-05 deg
M 241.6725266638618 3.2634e-05 deg
tp 2459100.689431091290
(2020-Sep-08.18943109)
2.7786e-05 TDB
period 304.8167443785754
0.83
1.2101e-06
3.313e-09
d
yr
n 1.181037481172255 4.6885e-09 deg/d
Q 1.316961309335574 3.4854e-09 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      1832 days (5.02 yr)  
   first obs. used      2012-02-25  
   last obs. used      2017-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40161  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:04:47  

Additional Information
 Earth MOID = .00579527 au 
 Jupiter MOID = 3.94081 au 
 T_jup = 6.560 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457058.5 (2015-Feb-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4859171534268926 3.2211e-07  
q .455127825814219 2.8519e-07 au
tp 2456968.706509550907
(2014-Nov-07.20650955)
2.6382e-05 TDB
node 341.053153300186 3.0798e-06 deg
peri 312.1264434231768 9.9808e-06 deg
i 17.22945049811973 2.7144e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      115  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      1832 days (5.02 yr)  
   first obs. used      2012-02-25  
   last obs. used      2017-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40161  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:04:47  

Additional Information
 Jupiter MOID = 3.94081 au 
 T_jup = 6.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.037558245451815E-13 -9.186439210150825E-14 -8.476692729725062E-12 -3.812755344283517E-13 2.999731627391968E-12 5.575021608235369E-13
q -9.186439210150825E-14 8.133610699052713E-14 7.504257028567489E-12 3.379530825921942E-13 -2.656531177192061E-12 -4.9606246094146E-13
tp -8.476692729725062E-12 7.504257028567489E-12 6.96030657935695E-10 2.92821793940911E-11 -2.418362943213866E-10 -3.984746864995131E-11
node -3.812755344283517E-13 3.379530825921942E-13 2.92821793940911E-11 9.485165553090546E-12 -2.088679399365175E-11 -4.720481996460898E-11
peri 2.999731627391968E-12 -2.656531177192061E-12 -2.418362943213866E-10 -2.088679399365175E-11 9.961544520868743E-11 6.324383006720463E-11
i 5.575021608235369E-13 -4.9606246094146E-13 -3.984746864995131E-11 -4.720481996460898E-11 6.324383006720463E-11 7.368160231751219E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.8   n/a E2017E84  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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