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52954 (1998 TD)
Classification: Main-belt Asteroid          SPK-ID: 2052954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183176936149855 3.0716e-08  
a 2.288227499290405 8.3861e-09 au
q 1.869076996756544 7.095e-08 au
i 4.67735169856125 3.7742e-06 deg
node 347.4012563771021 4.0052e-05 deg
peri 301.5478615310026 4.1301e-05 deg
M 216.9408788574033 1.1163e-05 deg
tp 2459702.912318970593
(2022-May-03.41231897)
4.0358e-05 TDB
period 1264.291527760259
3.46
6.9502e-06
1.903e-08
d
yr
n .2847444533918169 1.5653e-09 deg/d
Q 2.707378001824266 9.9223e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1500  
   data-arc span      10758 days (29.45 yr)  
   first obs. used      1991-10-07  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:39  

Additional Information
 Earth MOID = .856167 au 
 Jupiter MOID = 2.47936 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.12   n/a MPCxxxxx  

52954 (1998 TD)          Discovered 1998-Oct-09 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TD = 2000 CC15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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