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102258 (1999 TR31)
Classification: Main-belt Asteroid          SPK-ID: 2102258
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827537763706308 5.5826e-08  
a 2.415082881704102 9.6468e-09 au
q 1.973717364824612 1.3362e-07 au
i 2.503069872024084 5.4641e-06 deg
node 215.1977784088654 9.5444e-05 deg
peri 178.5325965597127 9.6194e-05 deg
M 220.2851821666175 1.1578e-05 deg
tp 2459732.530407295566
(2022-Jun-02.03040730)
4.5304e-05 TDB
period 1370.870674968885
3.75
8.2137e-06
2.249e-08
d
yr
n .262606828326947 1.5734e-09 deg/d
Q 2.856448398583592 1.141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      10014 days (27.42 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:55:52  

Additional Information
 Earth MOID = .978923 au 
 Jupiter MOID = 2.57435 au 
 T_jup = 3.493 
[ 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 16.68   n/a E2021B55  

102258 (1999 TR31)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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