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 ]  
103079 (1999 XS157)
Classification: Main-belt Asteroid          SPK-ID: 2103079
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683978410015905 4.8753e-08  
a 2.648929828548107 1.1455e-08 au
q 2.202855764455893 1.3337e-07 au
i 4.092049159940762 5.0681e-06 deg
node 226.21925307952 6.8899e-05 deg
peri 196.4505372292563 7.1221e-05 deg
M 329.6622541093207 1.7128e-05 deg
tp 2459333.204275751740
(2021-Apr-28.70427575)		 7.5088e-05 TDB
period 1574.722770860303
4.31		 1.0215e-05
2.797e-08		 d
yr
n .2286116684547114 1.4829e-09 deg/d
Q 3.095003892640322 1.3384e-08 au
   Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      11038 days (30.22 yr)  
   first obs. used      1990-10-17  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:15  

Additional Information
 Earth MOID = 1.21559 au 
 Jupiter MOID = 2.22861 au 
 T_jup = 3.367 
[ 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 15.9   n/a MPO432557  

103079 (1999 XS157)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XS157 = 1994 RQ25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-08 20:23 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin