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173755 (2001 RW97)
Classification: Main-belt Asteroid          SPK-ID: 2173755
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162071798668744 5.9306e-08  
a 3.071510739655373 2.6445e-08 au
q 2.714579138669205 1.8224e-07 au
i 7.050122972485524 8.492e-06 deg
node 1.037998023035034 3.9567e-05 deg
peri 48.87466270377539 5.1719e-05 deg
M 137.7854875690133 3.307e-05 deg
tp 2458247.963687931341
(2018-May-09.46368793)
0.00017709 TDB
period 1966.194532708123
5.38
2.5392e-05
6.952e-08
d
yr
n .1830948026816841 2.3646e-09 deg/d
Q 3.428442340641542 2.9518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      9901 days (27.11 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:21  

Additional Information
 Earth MOID = 1.73079 au 
 Jupiter MOID = 1.99413 au 
 T_jup = 3.209 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457150.5 (2015-May-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163360171348658 5.8853e-08  
q 2.714115148732565 1.8061e-07 au
tp 2456284.839212583630
(2012-Dec-23.33921258)
0.00017112 TDB
node 1.061266508511312 3.9571e-05 deg
peri 49.57681846760844 5.1809e-05 deg
i 7.049998884638564 8.4914e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      9901 days (27.11 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:21  

Additional Information
 Jupiter MOID = 1.99413 au 
 T_jup = 3.209 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.463699227699309E-15 -1.054157739045607E-14 -5.047592465026936E-12 -7.283625336570365E-15 -9.723424015423407E-13 -1.871428558002161E-15
q -1.054157739045607E-14 3.261822029392215E-14 1.625765564715444E-11 2.634092069286702E-14 3.174061673081963E-12 6.440321224975751E-15
tp -5.047592465026936E-12 1.625765564715444E-11 2.928252842544166E-8 1.90900273475657E-11 5.731803151513768E-9 -7.307361424342415E-12
node -7.283625336570365E-15 2.634092069286702E-14 1.90900273475657E-11 1.565868981769212E-9 -1.54921254364951E-9 1.014021961098016E-11
peri -9.723424015423407E-13 3.174061673081963E-12 5.731803151513768E-9 -1.54921254364951E-9 2.684156397595131E-9 -1.127884485229398E-11
i -1.871428558002161E-15 6.440321224975751E-15 -7.307361424342415E-12 1.014021961098016E-11 -1.127884485229398E-11 7.210428501483503E-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 MPO433116  

173755 (2001 RW97)          Discovered 2001-Sep-12 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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