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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
393819 (2005 SZ18)
Classification: Main-belt Asteroid          SPK-ID: 2393819
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014656812107347 4.7262e-08  
a 2.284619736095895 1.598e-08 au
q 2.052809238265436 1.0621e-07 au
i 6.525374073329125 6.2603e-06 deg
node 355.6777405699256 4.723e-05 deg
peri 40.83000315418677 5.9514e-05 deg
M 74.90076154321513 3.4795e-05 deg
tp 2458738.076305257539
(2019-Sep-11.57630526)
0.00012158 TDB
period 1261.302664496659
3.45
1.3233e-05
3.623e-08
d
yr
n .2854192020149766 2.9946e-09 deg/d
Q 2.516430233926354 1.7601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5182 days (14.19 yr)  
   first obs. used      2005-09-26  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57512  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:28:56  

Additional Information
 Earth MOID = 1.06355 au 
 Jupiter MOID = 2.83856 au 
 T_jup = 3.587 
[ 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 18.0   n/a MPO503477  

393819 (2005 SZ18)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 05:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin