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

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4857596098746721 3.2191e-07  
a .8863522497592522 2.3193e-09 au
q .4557981267046599 2.8562e-07 au
i 17.1993987687814 2.7127e-05 deg
node 341.0148800821071 3.0374e-06 deg
peri 312.013202498235 1.023e-05 deg
M 117.8892643067341 3.3003e-05 deg
tp 2459100.688700343017
(2020-Sep-08.18870034)
2.7783e-05 TDB
period 304.795081111226
0.83
1.1963e-06
3.275e-09
d
yr
n 1.181121423244454 4.6359e-09 deg/d
Q 1.316906372813845 3.4459e-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 = .00570838 au 
 Jupiter MOID = 3.94031 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 = 3.94031 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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