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 ]  
18799 (1999 JZ73)
Classification: Main-belt Asteroid          SPK-ID: 2018799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418896652006907 3.5027e-08  
a 2.743371409637824 1.2671e-08 au
q 2.079778217839384 9.6483e-08 au
i 10.19054511535436 4.5646e-06 deg
node 69.97997650268616 2.5659e-05 deg
peri 202.6935413060505 2.785e-05 deg
M 112.0390518091832 1.2848e-05 deg
tp 2458083.973909546332
(2017-Nov-26.47390955)
5.8075e-05 TDB
period 1659.683740273132
4.54
1.1498e-05
3.148e-08
d
yr
n .2169087948892934 1.5027e-09 deg/d
Q 3.406964601436265 1.5735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1857  
   data-arc span      14980 days (41.01 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:31:23  

Additional Information
 Earth MOID = 1.0673 au 
 Jupiter MOID = 1.72223 au 
 T_jup = 3.284 
[ 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 13.9   n/a MPO332993  

18799 (1999 JZ73)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JZ73 = 1978 WW12 = 1990 KO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 21:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin