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JPL Small-Body Database Browser
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347449 (2012 TW236)
Classification: Centaur          SPK-ID: 2347449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5697202009210122 3.8027e-08  
a 6.969782074329662 2.9544e-07 au
q 2.998956430566898 2.45e-07 au
i 11.93149681715725 9.2238e-06 deg
node 179.7407171392746 3.5352e-05 deg
peri 326.1770258205972 3.6621e-05 deg
M 96.47196136925785 7.6214e-06 deg
tp 2457199.449737258538
(2015-Jun-25.94973726)
9.2434e-05 TDB
period 6720.896780621909
18.40
0.00042734
1.17e-06
d
yr
n .05356428044512951 3.4058e-09 deg/d
Q 10.94060771809242 4.6376e-07 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      1998-04-23  
   last obs. used      2017-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:48:54  

Additional Information
 Earth MOID = 2.02006 au 
 Jupiter MOID = .698984 au 
 T_jup = 2.608 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO434189  

347449 (2012 TW236)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 TW236 = 1998 HO121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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