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JPL Small-Body Database Browser
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249938 (2001 TN128)
Classification: Main-belt Asteroid          SPK-ID: 2249938
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2391632733403287 5.8192e-08  
a 2.766321979683444 1.7684e-08 au
q 2.104719359909053 1.6197e-07 au
i 9.286035112105896 6.6987e-06 deg
node 241.457500931786 3.1313e-05 deg
peri 169.6449627107948 3.3933e-05 deg
M 267.3167964961573 1.0777e-05 deg
tp 2459033.164291440456
(2020-Jul-02.66429144)
5.1703e-05 TDB
period 1680.554178428957
4.60
1.6114e-05
4.412e-08
d
yr
n .214215051570989 2.0541e-09 deg/d
Q 3.427924599457835 2.1913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      6598 days (18.06 yr)  
   first obs. used      2001-07-26  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:19  

Additional Information
 Earth MOID = 1.11605 au 
 Jupiter MOID = 1.95598 au 
 T_jup = 3.278 
[ 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 16.0   n/a MPO454854  

249938 (2001 TN128)          Discovered 2001-Oct-13 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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