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173692 (2001 PS20)
Classification: Main-belt Asteroid          SPK-ID: 2173692
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696598562027621 4.2297e-08  
a 2.808486883721174 1.3809e-08 au
q 2.331999402881696 1.1912e-07 au
i 9.981636856901643 4.5313e-06 deg
node 63.83289033486508 2.9636e-05 deg
peri 256.6078018008282 3.4051e-05 deg
M 359.6889750031364 1.5459e-05 deg
tp 2459001.985250887034
(2020-Jun-01.48525089)
7.382e-05 TDB
period 1719.123301098087
4.71
1.2679e-05
3.471e-08
d
yr
n .2094090631952057 1.5444e-09 deg/d
Q 3.284974364560652 1.6152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      2000-04-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:15  

Additional Information
 Earth MOID = 1.34385 au 
 Jupiter MOID = 2.08645 au 
 T_jup = 3.279 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457835.5 (2017-Mar-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700833239241374 4.2395e-08  
q 2.329876608159709 1.1967e-07 au
tp 2457286.129613235218
(2015-Sep-20.62961324)
7.5824e-05 TDB
node 63.84792700299475 2.9611e-05 deg
peri 257.1318680285157 3.3996e-05 deg
i 9.987716542597783 4.5362e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      2000-04-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:15  

Additional Information
 Jupiter MOID = 2.08645 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.797338345632329E-15 -5.050208957508701E-15 1.645157584290785E-12 1.403637278737896E-14 3.689840640835241E-13 -1.048629713300978E-14
q -5.050208957508701E-15 1.432151752181015E-14 -4.853351774087821E-12 -4.1217032565255E-14 -1.076683233711002E-12 2.996930421418798E-14
tp 1.645157584290785E-12 -4.853351774087821E-12 5.74921084574355E-9 3.502371066110911E-11 1.301082592708172E-9 -1.741579872988213E-11
node 1.403637278737896E-14 -4.1217032565255E-14 3.502371066110911E-11 8.768230169903323E-10 -8.553887676959054E-10 -5.744734290521665E-11
peri 3.689840640835241E-13 -1.076683233711002E-12 1.301082592708172E-9 -8.553887676959054E-10 1.15575713722362E-9 5.258163643642278E-11
i -1.048629713300978E-14 2.996930421418798E-14 -1.741579872988213E-11 -5.744734290521665E-11 5.258163643642278E-11 2.057679593491753E-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 MPO436862  

173692 (2001 PS20)          Discovered 2001-Aug-10 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 PS20 = 2005 JC28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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