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 ]  
249918 (2001 SS259)
Classification: Main-belt Asteroid          SPK-ID: 2249918
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07108921175769264 4.3674e-08  
a 2.71382125967534 1.8426e-08 au
q 2.520897845473752 1.1929e-07 au
i 9.050482457470412 5.2166e-06 deg
node 180.6745323509677 2.6751e-05 deg
peri 158.1506715928656 4.3686e-05 deg
M 84.24702701876684 3.3788e-05 deg
tp 2458618.360113152708
(2019-May-14.86011315)
0.00015307 TDB
period 1632.940225111802
4.47
1.663e-05
4.553e-08
d
yr
n .2204612235425531 2.2453e-09 deg/d
Q 2.906744673876929 1.9736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      6654 days (18.22 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:49:33  

Additional Information
 Earth MOID = 1.51519 au 
 Jupiter MOID = 2.38544 au 
 T_jup = 3.340 
[ 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 16.0   n/a MPO454854  

249918 (2001 SS259)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
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-09 16:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin