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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2536584096306619 5.1805e-07  
a 1.118399078122039 3.8538e-08 au
q .834707746633204 5.5077e-07 au
i 6.755269965110475 3.3903e-05 deg
node 30.15919927412241 2.8859e-05 deg
peri 75.65720318671102 8.8135e-05 deg
M 76.12593785119864 0.00014427 deg
tp 2459305.146796214702
(2021-Mar-31.64679621)
0.00016845 TDB
period 432.0098285947017
1.18
2.233e-05
6.114e-08
d
yr
n .8333143742841574 4.3072e-08 deg/d
Q 1.402090409610874 4.8314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      2748 days (7.52 yr)  
   first obs. used      2012-10-13  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .43488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:52:12  

Additional Information
 Earth MOID = .00489263 au 
 Jupiter MOID = 3.71801 au 
 T_jup = 5.543 
[ show covariance matrix ]

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 24.9   n/a MPO543877  

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