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 ]  
129881 Chucksee (1999 SK16)
Classification: Main-belt Asteroid          SPK-ID: 2129881
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115566554197964 4.8728e-08  
a 2.374358721091507 1.4243e-08 au
q 1.872047331290563 1.1447e-07 au
i 5.179650785182528 5.1119e-06 deg
node 257.4007140191452 7.7526e-05 deg
peri 156.7503523184365 7.9124e-05 deg
M 197.7165118367838 1.8424e-05 deg
tp 2459602.906653673960
(2022-Jan-23.40665367)
7.1866e-05 TDB
period 1336.342950088136
3.66
1.2024e-05
3.292e-08
d
yr
n .2693919251613195 2.424e-09 deg/d
Q 2.876670110892452 1.7256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:28:59  

Additional Information
 Earth MOID = .884981 au 
 Jupiter MOID = 2.48606 au 
 T_jup = 3.507 
[ 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 16.6   n/a MPO469355  

129881 Chucksee           Discovered 1999 Sept. 29 by the Catalina Sky Survey.
Charles See (b. 1956) worked as a calibration and test engineer on the OSIRIS-REx Asteroid Sample Return Mission OCAMS camera. He also filled many roles on the Descent Imager/Spectral Radiometer team on the Cassini-Huygens probe to Titan, including systems, calibration and test lead, and data analyst.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 1999 SK16 = 2003 WJ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 02:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin