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 ]  
234117 (1999 WZ12)
Classification: Main-belt Asteroid          SPK-ID: 2234117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928868537170713 7.1096e-08  
a 2.761592904188264 2.0525e-08 au
q 2.228917937652 1.9276e-07 au
i 12.20376832597786 9.6338e-06 deg
node 320.5352665248113 2.9385e-05 deg
peri 157.1773965360292 3.9615e-05 deg
M 126.7704937982322 2.3675e-05 deg
tp 2458410.226079948269
(2018-Oct-18.72607995)
0.00010812 TDB
period 1676.246615847658
4.59
1.8688e-05
5.116e-08
d
yr
n .2147655342575903 2.3943e-09 deg/d
Q 3.294267870724528 2.4484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7096 days (19.43 yr)  
   first obs. used      1999-11-26  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:39:11  

Additional Information
 Earth MOID = 1.24971 au 
 Jupiter MOID = 1.80311 au 
 T_jup = 3.282 
[ 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 15.8   n/a MPO470493  

234117 (1999 WZ12)          Discovered 1999-Nov-26 by Sarounova, L. at Ondrejov
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 14:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin