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226163 (2002 TG20)
Classification: Main-belt Asteroid          SPK-ID: 2226163
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592624205698177 4.9951e-08  
a 2.289710430355513 1.2959e-08 au
q 1.925045604813135 1.1769e-07 au
i 3.940919100180969 6.121e-06 deg
node 210.7146399129 5.6126e-05 deg
peri 218.2536730323097 6.0532e-05 deg
M 351.3401259641806 1.9254e-05 deg
tp 2459030.942361914932
(2020-Jun-30.44236192)
6.7752e-05 TDB
period 1265.520750538072
3.46
1.0743e-05
2.941e-08
d
yr
n .2844678760478133 2.4149e-09 deg/d
Q 2.654375255897891 1.5022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7167 days (19.62 yr)  
   first obs. used      2000-01-07  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:13  

Additional Information
 Earth MOID = .940845 au 
 Jupiter MOID = 2.62933 au 
 T_jup = 3.579 
[ 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 17.5   n/a MPO440181  
rotation period rot_per 1.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

226163 (2002 TG20)          Discovered 2002-Oct-02 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 TG20 = 2005 NC58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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