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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09870823194312782 5.9352e-08  
a 3.220593805036783 2.8818e-08 au
q 2.902694684734612 2.0048e-07 au
i 6.814116513657707 5.9715e-06 deg
node 29.78305516501682 3.9261e-05 deg
peri 339.5146443939763 4.6787e-05 deg
M 327.5055921722126 2.4368e-05 deg
tp 2459391.049793643771
(2021-Jun-25.54979364)
0.00014364 TDB
period 2111.068651421815
5.78
2.8335e-05
7.758e-08
d
yr
n .1705297455663217 2.2889e-09 deg/d
Q 3.538492925338955 3.1663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      9350 days (25.60 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:35  

Additional Information
 Earth MOID = 1.90216 au 
 Jupiter MOID = 1.92688 au 
 T_jup = 3.170 
[ 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 14.94   n/a E2021B55  

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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