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JPL Small-Body Database Browser
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(2012 TP231)
Classification: Apollo [NEO]          SPK-ID: 3611399
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2538421283969303 0.0003266  
a 1.118557111241975 0.00027054 au
q .8346201933907902 0.00016353 au
i 6.75669147599277 0.0027961 deg
node 30.1793950229697 0.017109 deg
peri 75.62083890913014 0.0091452 deg
M 105.8210526318475 0.69191 deg
tp 2458873.484931095382
(2020-Jan-24.98493110)
0.7844 TDB
period 432.1013982420073
1.18
0.15677
0.0004292
d
yr
n .8331377807724071 0.00030226 deg/d
Q 1.40249402909316 0.00033922 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      6 days  
   first obs. used      2012-10-13  
   last obs. used      2012-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .44382  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:34  

Additional Information
 Earth MOID = .0046414 au 
 Jupiter MOID = 3.7183 au 
 T_jup = 5.543 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456216.5 (2012-Oct-16.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2536643640106824 0.00027979  
q .8321545911786563 0.00013828 au
tp 2456283.642077360255
(2012-Dec-22.14207736)
0.016059 TDB
node 30.33062559752505 0.00090936 deg
peri 75.98041682302757 0.0018664 deg
i 6.737899242257392 0.0074662 deg
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      6 days  
   first obs. used      2012-10-13  
   last obs. used      2012-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .44382  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:34  

Additional Information
 Jupiter MOID = 3.7183 au 
 T_jup = 5.543 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.828287603317686E-8 -3.867777884549697E-8 -4.489390394972525E-6 -2.522755014712789E-7 -4.499474760119983E-7 2.088931157662048E-6
q -3.867777884549697E-8 1.912268586197881E-8 2.215746763653507E-6 1.242685511692757E-7 2.189143351501329E-7 -1.03205543572922E-6
tp -4.489390394972525E-6 2.215746763653507E-6 .000257891152366783 1.453669528981606E-5 2.64251104491192E-5 -.0001198034721243233
node -2.522755014712789E-7 1.242685511692757E-7 1.453669528981606E-5 8.269335309871798E-7 1.546174825508275E-6 -6.734781322678179E-6
peri -4.499474760119983E-7 2.189143351501329E-7 2.64251104491192E-5 1.546174825508275E-6 3.483295717512855E-6 -1.201457728551632E-5
i 2.088931157662048E-6 -1.03205543572922E-6 -.0001198034721243233 -6.734781322678179E-6 -1.201457728551632E-5 5.574367686857108E-5

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 25.0   n/a MPO240156  

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