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 ]  
173109 (7635 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2173109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1859895198892725 5.3443e-08  
a 2.230109668089168 1.0276e-08 au
q 1.815332641620839 1.1754e-07 au
i 5.117472800292558 4.9416e-06 deg
node 35.90720300640577 5.453e-05 deg
peri 21.82181452698805 5.6214e-05 deg
M 293.4895004600093 1.5404e-05 deg
tp 2459225.237459170480
(2021-Jan-10.73745917)
5.2923e-05 TDB
period 1216.431779357285
3.33
8.4077e-06
2.302e-08
d
yr
n .2959475460187416 2.0455e-09 deg/d
Q 2.644886694557497 1.2187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      21835 days (59.78 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:03:29  

Additional Information
 Earth MOID = .828356 au 
 Jupiter MOID = 2.70268 au 
 T_jup = 3.615 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO433111  

173109 (7635 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 7635 P-L = 2000 SB185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 12:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin