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 ]  
118297 (1998 SY129)
Classification: Main-belt Asteroid          SPK-ID: 2118297
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403522820641128 4.6382e-08  
a 2.294947201882737 7.6932e-09 au
q 1.972846124881845 1.0593e-07 au
i 7.804963074802112 5.7203e-06 deg
node 20.3396003449646 2.9076e-05 deg
peri 343.7073613526669 3.4415e-05 deg
M 92.84277501453525 1.7854e-05 deg
tp 2458673.006196875655
(2019-Jul-08.50619688)
6.2604e-05 TDB
period 1269.864769835954
3.48
6.3853e-06
1.748e-08
d
yr
n .2834947535764033 1.4255e-09 deg/d
Q 2.617048278883629 8.7729e-09 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      10338 days (28.30 yr)  
   first obs. used      1991-10-05  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:56:37  

Additional Information
 Earth MOID = .972558 au 
 Jupiter MOID = 2.84077 au 
 T_jup = 3.570 
[ 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 16.1   n/a MPO449690  

118297 (1998 SY129)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 10:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin