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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418132263030159 3.5012e-08  
a 2.743798381762203 1.2707e-08 au
q 2.08031164274329 9.6473e-08 au
i 10.1890344736423 4.5504e-06 deg
node 69.9784188680304 2.5333e-05 deg
peri 202.7619324933025 2.7514e-05 deg
M 198.6917949230243 1.3026e-05 deg
tp 2459744.341968653781
(2022-Jun-13.84196865)
6.2294e-05 TDB
period 1660.071219486795
4.55
1.1532e-05
3.157e-08
d
yr
n .216858165947418 1.5064e-09 deg/d
Q 3.407285120781115 1.5779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1879  
   data-arc span      15031 days (41.15 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:35:05  

Additional Information
 Earth MOID = 1.0683 au 
 Jupiter MOID = 1.72318 au 
 T_jup = 3.283 
[ 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-Aug-14 06:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin