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216701 (2004 RW162)
Classification: Main-belt Asteroid          SPK-ID: 2216701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134540158348607 8.8206e-08  
a 3.134049232761098 4.1758e-08 au
q 2.778478761480187 3.0607e-07 au
i 9.907881757595657 6.0351e-06 deg
node 293.7170760979857 3.2206e-05 deg
peri 53.04665679183594 4.1252e-05 deg
M 25.30194815515879 2.4729e-05 deg
tp 2459254.067659974067
(2021-Feb-08.56765997)
0.00013866 TDB
period 2026.549184865087
5.55
4.0503e-05
1.109e-07
d
yr
n .1776418764906346 3.5504e-09 deg/d
Q 3.489619704042008 4.6496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54112  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:34:06  

Additional Information
 Earth MOID = 1.78341 au 
 Jupiter MOID = 1.91666 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457555.5 (2016-Jun-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167149539722738 8.7393e-08  
q 2.767936560160193 3.0459e-07 au
tp 2457234.438121924751
(2015-Jul-30.93812192)
0.00013448 TDB
node 293.7980434299897 3.2266e-05 deg
peri 54.3927494244423 4.0976e-05 deg
i 9.900532503453041 6.029e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54112  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:34:06  

Additional Information
 Jupiter MOID = 1.91666 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.637513285550756E-15 -2.654225580518139E-14 2.643492648073751E-13 3.53237951804618E-14 6.153704584248914E-14 -1.387371286974404E-14
q -2.654225580518139E-14 9.277401455378215E-14 -1.343651712572792E-12 -1.251861217002832E-13 -2.787846709880344E-13 4.992572253620328E-14
tp 2.643492648073751E-13 -1.343651712572792E-12 1.808601732744082E-8 -1.630906089759121E-11 3.435158686848222E-9 -1.31612758934177E-12
node 3.53237951804618E-14 -1.251861217002832E-13 -1.630906089759121E-11 1.041115373078451E-9 -1.027998184947107E-9 2.203796441367934E-11
peri 6.153704584248914E-14 -2.787846709880344E-13 3.435158686848222E-9 -1.027998184947107E-9 1.679034005266332E-9 -2.203072046308674E-11
i -1.387371286974404E-14 4.992572253620328E-14 -1.31612758934177E-12 2.203796441367934E-11 -2.203072046308674E-11 3.634882384832405E-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 15.09   n/a MPCxxxxx  

216701 (2004 RW162)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2004 RW162 = 1999 XY239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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