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201873 (2003 YU162)
Classification: Main-belt Asteroid          SPK-ID: 2201873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418493835275565 5.3887e-08  
a 3.053697322993245 3.9949e-08 au
q 2.315162507947579 1.6575e-07 au
i 12.32225113764316 9.0735e-06 deg
node 301.7667926148458 3.4868e-05 deg
peri 124.843938014081 4.0651e-05 deg
M 43.55716727859745 2.1412e-05 deg
tp 2458764.672451444355
(2019-Oct-08.17245144)
0.0001136 TDB
period 1949.114756178098
5.34
3.8248e-05
1.047e-07
d
yr
n .1846992327459992 3.6244e-09 deg/d
Q 3.792232138038911 4.9611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      6349 days (17.38 yr)  
   first obs. used      2002-08-16  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:55:50  

Additional Information
 Earth MOID = 1.35459 au 
 Jupiter MOID = 1.63065 au 
 T_jup = 3.156 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457354.5 (2015-Nov-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2405524305052087 5.4127e-08  
q 2.320332978505271 1.6682e-07 au
tp 2456817.667157342043
(2014-Jun-09.16715734)
0.00010195 TDB
node 301.8333148814966 3.4856e-05 deg
peri 125.0977510444097 4.0688e-05 deg
i 12.31926434868856 9.0748e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      6349 days (17.38 yr)  
   first obs. used      2002-08-16  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:55:50  

Additional Information
 Jupiter MOID = 1.63065 au 
 T_jup = 3.156 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.929764935820974E-15 -8.881627186937266E-15 5.582405524920159E-13 -6.711399259877288E-15 1.563072361635397E-13 -2.832612014082705E-15
q -8.881627186937266E-15 2.78299107017085E-14 -1.302812298754067E-12 2.084770857981785E-14 -3.450127356145785E-13 1.193805649264532E-14
tp 5.582405524920159E-13 -1.302812298754067E-12 1.039371921698546E-8 -3.273751229100829E-11 2.197484201917499E-9 -5.503666791937309E-13
node -6.711399259877288E-15 2.084770857981785E-14 -3.273751229100829E-11 1.214907811589745E-9 -1.193061182075146E-9 1.113713224783266E-10
peri 1.563072361635397E-13 -3.450127356145785E-13 2.197484201917499E-9 -1.193061182075146E-9 1.65552245568005E-9 -1.083685561525907E-10
i -2.832612014082705E-15 1.193805649264532E-14 -5.503666791937309E-13 1.113713224783266E-10 -1.083685561525907E-10 8.23520458971446E-11

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 15.7   n/a MPO334214  
rotation period rot_per 6.436 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

201873 (2003 YU162)          Discovered 2003-Dec-17 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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