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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4857511258079131 3.2193e-07  
a .8863942475759404 2.3455e-09 au
q .4558272439062694 2.8565e-07 au
i 17.19923741765135 2.7126e-05 deg
node 341.0197616599734 3.0513e-06 deg
peri 312.008566004167 1.0245e-05 deg
M 241.672520244064 3.2633e-05 deg
tp 2459100.689436539482
(2020-Sep-08.18943654)
2.7784e-05 TDB
period 304.8167444164972
0.83
1.2099e-06
3.313e-09
d
yr
n 1.181037481025324 4.6878e-09 deg/d
Q 1.316961251245611 3.4849e-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      .40737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 13:28:08  

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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4859170875753201 3.2211e-07  
q .455127884249776 2.852e-07 au
tp 2456968.706514434626
(2014-Nov-07.20651443)
2.6385e-05 TDB
node 341.0531534682564 3.0798e-06 deg
peri 312.126441441759 9.9806e-06 deg
i 17.22945826869605 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      .40737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 13:28:08  

Additional Information
 Jupiter MOID = 3.94081 au 
 T_jup = 6.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.037579308627484E-13 -9.186615542300548E-14 -8.477606834016807E-12 -3.812879143224074E-13 2.999699357475969E-12 5.572109477304893E-13
q -9.186615542300548E-14 8.133757829536759E-14 7.505057964486444E-12 3.379636865449898E-13 -2.6564997008946E-12 -4.958041673681693E-13
tp -8.477606834016807E-12 7.505057964486444E-12 6.961663800750784E-10 2.928585301944682E-11 -2.418549707543218E-10 -3.982741542040794E-11
node -3.812879143224074E-13 3.379636865449898E-13 2.928585301944682E-11 9.485314329634885E-12 -2.088689297250918E-11 -4.720479720415155E-11
peri 2.999699357475969E-12 -2.6564997008946E-12 -2.418549707543218E-10 -2.088689297250918E-11 9.961190890480474E-11 6.32358386125504E-11
i 5.572109477304893E-13 -4.958041673681693E-13 -3.982741542040794E-11 -4.720479720415155E-11 6.32358386125504E-11 7.368204330374345E-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  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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