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 ]  
442318 (2011 SW118)
Classification: Main-belt Asteroid          SPK-ID: 2442318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04554691014220463 5.2134e-08  
a 2.878255258228583 3.6718e-08 au
q 2.747159624615718 1.4484e-07 au
i 11.48897027158808 5.4004e-06 deg
node 113.2271163896214 2.5975e-05 deg
peri 114.6999185056147 7.3006e-05 deg
M 71.94738896297478 6.6527e-05 deg
tp 2458644.044825278594
(2019-Jun-09.54482528)
0.00033198 TDB
period 1783.579150672774
4.88
3.4129e-05
9.344e-08
d
yr
n .2018413367661347 3.8623e-09 deg/d
Q 3.009350891841448 3.839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4162 days (11.39 yr)  
   first obs. used      2009-04-19  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:47:02  

Additional Information
 Earth MOID = 1.75674 au 
 Jupiter MOID = 2.07842 au 
 T_jup = 3.264 
[ 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 16.5   n/a MPO434643  

442318 (2011 SW118)          Discovered 2010-Jun-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SW118 = 2013 AB69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-27 23:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin