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160417 (2004 YL22)
Classification: Main-belt Asteroid          SPK-ID: 2160417
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709018252901469 6.7521e-08  
a 2.69207525700523 2.6743e-08 au
q 2.231994681764595 1.8967e-07 au
i 12.86400113078796 4.8022e-06 deg
node 121.1463414616666 3.2213e-05 deg
peri 235.3600886085142 3.4975e-05 deg
M 284.0100308399528 1.834e-05 deg
tp 2459341.051650147682
(2021-May-06.55165015)
8.5245e-05 TDB
period 1613.352333318532
4.42
2.4041e-05
6.582e-08
d
yr
n .2231378680064942 3.325e-09 deg/d
Q 3.152155832245865 3.1314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:27:51  

Additional Information
 Earth MOID = 1.253 au 
 Jupiter MOID = 2.32822 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457018.5 (2014-Dec-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707669970027967 6.7595e-08  
q 2.231097266115024 1.8966e-07 au
tp 2457731.164920393754
(2016-Dec-08.66492039)
7.2837e-05 TDB
node 121.1667143466735 3.2232e-05 deg
peri 235.8960587148017 3.4994e-05 deg
i 12.86191778224096 4.8013e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:27:51  

Additional Information
 Jupiter MOID = 2.32822 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.569035234540405E-15 -1.273826018334558E-14 1.407631042887013E-13 3.278527713239991E-14 1.72985616386766E-13 3.784584415369007E-15
q -1.273826018334558E-14 3.597151418378769E-14 2.507076717197455E-13 -9.200956987366492E-14 -4.035096094751683E-13 -8.640737328181472E-15
tp 1.407631042887013E-13 2.507076717197455E-13 5.305210223520182E-9 -6.153144275458572E-12 1.058907268778597E-9 4.842970716655155E-12
node 3.278527713239991E-14 -9.200956987366492E-14 -6.153144275458572E-12 1.038885323526274E-9 -1.01235520844958E-9 2.663942024285459E-11
peri 1.72985616386766E-13 -4.035096094751683E-13 1.058907268778597E-9 -1.01235520844958E-9 1.224591046075813E-9 -2.508454414875063E-11
i 3.784584415369007E-15 -8.640737328181472E-15 4.842970716655155E-12 2.663942024285459E-11 -2.508454414875063E-11 2.305259998009885E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433025  

160417 (2004 YL22)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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