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186490 (2002 TB222)
Classification: Main-belt Asteroid          SPK-ID: 2186490
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784712821548954 4.6169e-08  
a 2.218839342031652 1.1308e-08 au
q 1.822840239763538 1.0807e-07 au
i 1.989685071775927 3.759e-06 deg
node 234.6186347988215 0.00011987 deg
peri 74.17329685715902 0.00012053 deg
M 232.1736439004221 1.2039e-05 deg
tp 2459629.152263621362
(2022-Feb-18.65226362)
4.1531e-05 TDB
period 1207.222200588099
3.31
9.2288e-06
2.527e-08
d
yr
n .2982052515474166 2.2797e-09 deg/d
Q 2.614838444299766 1.3326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7320 days (20.04 yr)  
   first obs. used      2001-04-16  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:13  

Additional Information
 Earth MOID = .807437 au 
 Jupiter MOID = 2.63211 au 
 T_jup = 3.629 
[ 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 16.99   n/a MPCxxxxx  
rotation period rot_per 5.05 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

186490 (2002 TB222)          Discovered 2002-Oct-07 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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