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120945 (1998 TJ26)
Classification: Outer Main-belt Asteroid          SPK-ID: 2120945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09982226429841204 6.1954e-08  
a 3.224167933398457 2.9259e-08 au
q 2.902324189808291 2.0794e-07 au
i 6.812349762062133 6.424e-06 deg
node 29.89116940372532 3.9293e-05 deg
peri 339.1531489038864 4.6637e-05 deg
M 293.7554329409127 2.3943e-05 deg
tp 2459389.610252205929
(2021-Jun-24.11025221)
0.00014224 TDB
period 2114.583837029074
5.79
2.8784e-05
7.881e-08
d
yr
n .1702462648658986 2.3174e-09 deg/d
Q 3.546011676988623 3.2179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      9308 days (25.48 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:11:41  

Additional Information
 Earth MOID = 1.90326 au 
 Jupiter MOID = 1.91834 au 
 T_jup = 3.169 
[ 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 14.9   n/a MPO436584  

120945 (1998 TJ26)          Discovered 1998-Oct-14 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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