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 ]  
16122 Wenyicai (1999 XW67)
Classification: Main-belt Asteroid          SPK-ID: 2016122
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698437108046664 3.8296e-08  
a 2.423691339766913 1.1737e-08 au
q 2.012042608775767 9.4691e-08 au
i 2.123656225014718 4.595e-06 deg
node 190.1065856972317 0.00010998 deg
peri 312.3708457972409 0.00011098 deg
M 358.3341191670087 1.6019e-05 deg
tp 2458606.877578663476
(2019-May-03.37757866)
6.135e-05 TDB
period 1378.206816107464
3.77
1.0011e-05
2.741e-08
d
yr
n .2612089824201896 1.8974e-09 deg/d
Q 2.835340070758058 1.373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      23527 days (64.41 yr)  
   first obs. used      1954-12-22  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 21:00:46  

Additional Information
 Earth MOID = 1.02584 au 
 Jupiter MOID = 2.1868 au 
 T_jup = 3.491 
[ 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 15.7   n/a MPO324458  

16122 Wenyicai           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Wenyi Cai for achievement as a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Wenyi is a student at the Naperville Central High School, Naperville, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020227/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 XW67 = 1993 FN48 = 1997 GE36 
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-24 14:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin