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226985 (2004 XR35)
Classification: Main-belt Asteroid          SPK-ID: 2226985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149000607134022 4.6965e-08  
a 2.909965995262656 2.1252e-08 au
q 2.284614126206776 1.3655e-07 au
i 12.25088297107366 4.605e-06 deg
node 174.8578601097871 2.3624e-05 deg
peri 237.9179088910201 2.5729e-05 deg
M 94.41994860902867 1.1013e-05 deg
tp 2458724.955068880854
(2019-Aug-29.45506888)
5.3724e-05 TDB
period 1813.135653269381
4.96
1.9862e-05
5.438e-08
d
yr
n .1985510567567633 2.1751e-09 deg/d
Q 3.535317864318537 2.5819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7847 days (21.48 yr)  
   first obs. used      1999-10-19  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:50:24  

Additional Information
 Earth MOID = 1.31998 au 
 Jupiter MOID = 1.9962 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457785.5 (2017-Feb-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135584399437918 4.6855e-08  
q 2.289407525614629 1.3594e-07 au
tp 2456911.860100793341
(2014-Sep-11.36010079)
5.2293e-05 TDB
node 174.8922913226283 2.3611e-05 deg
peri 237.9625223996742 2.5762e-05 deg
i 12.25098798129514 4.6051e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7847 days (21.48 yr)  
   first obs. used      1999-10-19  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:50:24  

Additional Information
 Jupiter MOID = 1.9962 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.195435907478886E-15 -6.32188095403846E-15 4.095947191240378E-13 3.812018198858919E-15 1.278515281424403E-14 -1.163798935767877E-14
q -6.32188095403846E-15 1.848102060250181E-14 -1.280824075168556E-12 -1.113615667027873E-14 -2.827271696039946E-14 3.470014920181005E-14
tp 4.095947191240378E-13 -1.280824075168556E-12 2.734609199936932E-9 1.461079977098769E-11 5.590891337372767E-10 -6.578807183766242E-12
node 3.812018198858919E-15 -1.113615667027873E-14 1.461079977098769E-11 5.574893480834281E-10 -5.415619107136599E-10 -7.522456489057531E-12
peri 1.278515281424403E-14 -2.827271696039946E-14 5.590891337372767E-10 -5.415619107136599E-10 6.636605471159927E-10 6.437760761277794E-12
i -1.163798935767877E-14 3.470014920181005E-14 -6.578807183766242E-12 -7.522456489057531E-12 6.437760761277794E-12 2.120680634156605E-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 15.89   n/a MPCxxxxx  

226985 (2004 XR35)          Discovered 2004-Dec-02 by Goodricke-Pigott at Goodricke-Pigott
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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