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 ]  
442331 (2011 SD163)
Classification: Main-belt Asteroid          SPK-ID: 2442331
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000883315383716 6.5764e-08  
a 2.752945796315063 2.964e-08 au
q 2.477408044746315 1.8532e-07 au
i 13.61968568973549 7.564e-06 deg
node 220.793756400264 2.2748e-05 deg
peri 48.96378878864942 4.6963e-05 deg
M 61.65963460810747 3.555e-05 deg
tp 2458714.745312243274
(2019-Aug-19.24531224)
0.00016579 TDB
period 1668.379779514538
4.57
2.6944e-05
7.377e-08
d
yr
n .2157782085471883 3.4848e-09 deg/d
Q 3.028483547883812 3.2606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1996-05-13  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:52  

Additional Information
 Earth MOID = 1.48447 au 
 Jupiter MOID = 2.04819 au 
 T_jup = 3.297 
[ 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 16.2   n/a MPO495191  

442331 (2011 SD163)          Discovered 1996-May-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SD163 = 1996 JJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 16:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin