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173693 (2001 PY37)
Classification: Main-belt Asteroid          SPK-ID: 2173693
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200718435731937 6.0352e-08  
a 3.037660868327865 3.2721e-08 au
q 2.427946330552979 1.7893e-07 au
i 11.36579564923388 6.313e-06 deg
node 87.63992731671713 3.0942e-05 deg
peri 292.5806981368063 3.4397e-05 deg
M 159.6584906529711 1.762e-05 deg
tp 2458142.876100082810
(2018-Jan-24.37610008)
8.691e-05 TDB
period 1933.781302250103
5.29
3.1245e-05
8.554e-08
d
yr
n .1861637609077678 3.0079e-09 deg/d
Q 3.647375406102752 3.9288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6386 days (17.48 yr)  
   first obs. used      2001-08-11  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:53:53  

Additional Information
 Earth MOID = 1.45889 au 
 Jupiter MOID = 1.91918 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1998427989406927 6.0288e-08  
q 2.431093440457336 1.7853e-07 au
tp 2458144.146824051038
(2018-Jan-25.64682405)
8.7177e-05 TDB
node 87.65481196536902 3.0937e-05 deg
peri 292.8963173775084 3.4432e-05 deg
i 11.36516345132774 6.3127e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6386 days (17.48 yr)  
   first obs. used      2001-08-11  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:53:53  

Additional Information
 Jupiter MOID = 1.91918 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.634612829628922E-15 -1.065490332057141E-14 8.451185361908612E-13 1.914526129567464E-15 -1.661147063952689E-15 -4.402390514232507E-15
q -1.065490332057141E-14 3.187181091556981E-14 -1.448734739999889E-12 -4.573127719971942E-15 1.285706818902277E-13 1.550910735898711E-14
tp 8.451185361908612E-13 -1.448734739999889E-12 7.599865302032446E-9 3.452897892621776E-11 1.330302317454265E-9 -2.164039258439611E-12
node 1.914526129567464E-15 -4.573127719971942E-15 3.452897892621776E-11 9.571068505905888E-10 -9.311386559312707E-10 -2.018076874544651E-11
peri -1.661147063952689E-15 1.285706818902277E-13 1.330302317454265E-9 -9.311386559312707E-10 1.18558365396387E-9 1.930659872356912E-11
i -4.402390514232507E-15 1.550910735898711E-14 -2.164039258439611E-12 -2.018076874544651E-11 1.930659872356912E-11 3.984959167769648E-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 15.3   n/a MPO433116  

173693 (2001 PY37)          Discovered 2001-Aug-11 by NEAT at Palomar
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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