Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
173692 (2001 PS20)
Classification: Main-belt Asteroid          SPK-ID: 2173692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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

[ show close-approach data ]
Alternate Designations
 2001 PS20 = 2005 JC28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-22 20:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin