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 ]  
173209 (1998 SP29)
Classification: Main-belt Asteroid          SPK-ID: 2173209
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 .1867514571893985 3.6472e-08  
a 2.558141593753027 1.2309e-08 au
q 2.080404923422839 9.3111e-08 au
i 2.349189873014483 5.0715e-06 deg
node 89.74550595614406 0.00012102 deg
peri 287.8475802535307 0.00012228 deg
M 102.3389169515385 1.8994e-05 deg
tp 2458575.661749909829
(2019-Apr-02.16174991)
7.7217e-05 TDB
period 1494.463441555529
4.09
1.0787e-05
2.953e-08
d
yr
n .240889131168903 1.7387e-09 deg/d
Q 3.035878264083215 1.4608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      10667 days (29.20 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:00:40  

Additional Information
 Earth MOID = 1.08369 au 
 Jupiter MOID = 2.42626 au 
 T_jup = 3.411 
[ 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 16.5   n/a MPO417933  

173209 (1998 SP29)          Discovered 1998-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 SP29 = 2002 RD49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 08:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin