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JPL Small-Body Database Browser
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109866 (2001 RS146)
Classification: Main-belt Asteroid          SPK-ID: 2109866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193271398096443 4.2086e-08  
a 2.647781033276851 1.6601e-08 au
q 2.136040691122189 1.1631e-07 au
i 12.73127702092405 4.3626e-06 deg
node 247.5914576197874 2.6298e-05 deg
peri 167.3016118054821 3.1113e-05 deg
M 351.4293507285601 1.7086e-05 deg
tp 2458637.965604967902
(2019-Jun-03.46560497)
7.4897e-05 TDB
period 1573.698486693375
4.31
1.48e-05
4.052e-08
d
yr
n .2287604665341105 2.1514e-09 deg/d
Q 3.159521375431512 1.9809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      8010 days (21.93 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:22  

Additional Information
 Earth MOID = 1.14961 au 
 Jupiter MOID = 2.19955 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457061.5 (2015-Feb-08.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910787003990379 4.1884e-08  
q 2.142417045830491 1.1552e-07 au
tp 2457063.037690535107
(2015-Feb-09.53769054)
6.8776e-05 TDB
node 247.7274738271702 2.6349e-05 deg
peri 167.0662872878837 3.131e-05 deg
i 12.7134509463562 4.356e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      8010 days (21.93 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:22  

Additional Information
 Jupiter MOID = 2.19955 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.754306048659515E-15 -4.808483927907289E-15 -1.070802406484783E-12 -1.289218634029321E-14 -2.132703454376772E-13 -4.068908095730923E-15
q -4.808483927907289E-15 1.334396320070053E-14 3.224271220486367E-12 3.646460965306579E-14 6.52444414559506E-13 1.246636142425215E-14
tp -1.070802406484783E-12 3.224271220486367E-12 4.730131411069752E-9 -2.588478531398257E-14 1.203677987341425E-9 1.18953832465513E-11
node -1.289218634029321E-14 3.646460965306579E-14 -2.588478531398257E-14 6.942653775831629E-10 -6.772205968513015E-10 -3.167014328286063E-11
peri -2.132703454376772E-13 6.52444414559506E-13 1.203677987341425E-9 -6.772205968513015E-10 9.803157292248511E-10 3.379399625446838E-11
i -4.068908095730923E-15 1.246636142425215E-14 1.18953832465513E-11 -3.167014328286063E-11 3.379399625446838E-11 1.897510206729462E-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 15.4   n/a MPO453560  

109866 (2001 RS146)          Discovered 2001-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RS146 = 1998 BT30 = 2001 UM183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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