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226193 (2002 TY285)
Classification: Main-belt Asteroid          SPK-ID: 2226193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23302777128168 4.6793e-08  
a 2.260697837230299 7.8428e-09 au
q 1.733892458679208 1.044e-07 au
i 3.357302650476408 4.3134e-06 deg
node 330.3314077741197 9.6502e-05 deg
peri 24.17442153870897 9.7334e-05 deg
M 93.28773762796351 1.1658e-05 deg
tp 2458678.775403228494
(2019-Jul-14.27540323)
3.9642e-05 TDB
period 1241.544256327041
3.40
6.4608e-06
1.769e-08
d
yr
n .2899614719051713 1.5089e-09 deg/d
Q 2.787503215781389 9.6704e-09 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      15119 days (41.39 yr)  
   first obs. used      1978-09-06  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:35  

Additional Information
 Earth MOID = .72958 au 
 Jupiter MOID = 2.65681 au 
 T_jup = 3.581 
[ 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 16.5   n/a MPO503109  
rotation period rot_per 6.19 h n/a LCDB (Rev. 2019-August); 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.]

226193 (2002 TY285)          Discovered 2002-Oct-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 TY285 = 1978 RK17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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