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 ]  
(2017 WX12)
Classification: Apollo [NEO, PHA]          SPK-ID: 3789609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5624636608099849 2.4061e-07  
a 2.172837086314766 1.2124e-06 au
q .9506951844024617 4.4321e-08 au
i 12.48845114496274 3.9361e-06 deg
node 84.45374414585501 2.8668e-06 deg
peri 34.23737013782927 1.7326e-05 deg
M 266.9853779959852 0.00022184 deg
tp 2459302.765026055314
(2021-Mar-29.26502606)
0.00097386 TDB
period 1169.874230905503
3.20
0.00097913
2.681e-06
d
yr
n .3077253866181441 2.5755e-07 deg/d
Q 3.394978988227071 1.8943e-06 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   # delay obs. used      4  
   # Doppler obs. used      4  
   data-arc span      118 days  
   first obs. used      2017-11-20  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .30453  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-22 06:22:16  

Additional Information
 Earth MOID = .0220139 au 
 Jupiter MOID = 1.79708 au 
 T_jup = 3.438 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.1   n/a MPO438045  
rotation period rot_per 16.232 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 138-147.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 22:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin