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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1946-May-06 03:26 00:03 Thisb 0.0408500535155355 0.0408331188417962 0.0408669917571379 4.24092124669662 4.24092120733962 2431946.642790733 2.81212051433379 1037.02470396965 39.308182564074 35.5406844396965 90449.3113660007 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 23:26:16 2020-Dec-17 23:26
2033-Feb-22 11:47 < 00:01 Europ 0.0225871989323471 0.0225851780710807 0.0225892212803436 5.21451849843632 5.21451840819715 2463650.990788891 0.739829467884258 376.05189327371 60.8256862690998 77.497547500122 54246.2396201445 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 23:26:16 2020-Dec-17 23:26

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