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JPL Small-Body Database Browser
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201357 (2002 TD231)
Classification: Main-belt Asteroid          SPK-ID: 2201357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155397127700514 7.3269e-08  
a 3.073475046820416 3.2956e-08 au
q 2.595865852485321 2.3543e-07 au
i 11.84549048501414 6.9346e-06 deg
node 128.7606776708789 3.3992e-05 deg
peri 238.1943596047757 3.7695e-05 deg
M 18.0279616994958 1.8747e-05 deg
tp 2458501.943087451561
(2019-Jan-18.44308745)
0.00010189 TDB
period 1968.080979361651
5.39
3.1655e-05
8.667e-08
d
yr
n .1829193024957572 2.9421e-09 deg/d
Q 3.551084241155511 3.8077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-08-14  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:36:04  

Additional Information
 Earth MOID = 1.61535 au 
 Jupiter MOID = 1.96771 au 
 T_jup = 3.179 
[ 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 15.0   n/a MPO413036  

201357 (2002 TD231)          Discovered 2002-Oct-08 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 TD231 = 1991 PA32 = 1999 AF31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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