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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159018011733379 4.997e-08  
a 2.290025796909576 1.3047e-08 au
q 1.925870447866868 1.1764e-07 au
i 3.940953147716161 6.121e-06 deg
node 210.7215374384166 5.6118e-05 deg
peri 218.1778819617886 6.0547e-05 deg
M 237.6052051258687 1.9075e-05 deg
tp 2459030.847651123363
(2020-Jun-30.34765112)
6.7906e-05 TDB
period 1265.78221372676
3.47
1.0817e-05
2.962e-08
d
yr
n .2844091156408934 2.4305e-09 deg/d
Q 2.654181145952283 1.5121e-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 = .941389 au 
 Jupiter MOID = 2.63009 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-January); 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. 237, A19.]

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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