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 ]  
136986 (1998 SX15)
Classification: Main-belt Asteroid          SPK-ID: 2136986
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220002986227592 3.8882e-08  
a 2.526863799809618 1.6668e-08 au
q 2.218585661653804 1.0136e-07 au
i 4.36714155110901 1.084e-05 deg
node 178.6263175190082 5.3572e-05 deg
peri 96.89552747480282 7.6005e-05 deg
M 210.8134284036381 5.0802e-05 deg
tp 2459608.492763688718
(2022-Jan-28.99276369)
0.00020794 TDB
period 1467.138714871279
4.02
1.4517e-05
3.975e-08
d
yr
n .245375571069696 2.4279e-09 deg/d
Q 2.835141937965431 1.8702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7341 days (20.10 yr)  
   first obs. used      1998-08-30  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:37:55  

Additional Information
 Earth MOID = 1.20754 au 
 Jupiter MOID = 2.27058 au 
 T_jup = 3.439 
[ 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 17.0   n/a MPO453851  

136986 (1998 SX15)          Discovered 1998-Sep-16 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 SX15 = 2002 RW164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-29 09:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin