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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
192866 (1999 WS16)
Classification: Main-belt Asteroid          SPK-ID: 2192866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843794538806693 4.3129e-08  
a 2.690213482608936 1.6821e-08 au
q 2.194193389863087 1.1647e-07 au
i 6.750963872628836 4.8979e-06 deg
node 25.62807882189611 4.2414e-05 deg
peri 78.54826178293582 4.4651e-05 deg
M 266.512649633216 1.7052e-05 deg
tp 2459815.032217643074
(2022-Aug-23.53221764)
7.8512e-05 TDB
period 1611.678989300356
4.41
1.5116e-05
4.139e-08
d
yr
n .2233695434326405 2.095e-09 deg/d
Q 3.186233575354786 1.9923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:52  

Additional Information
 Earth MOID = 1.22309 au 
 Jupiter MOID = 2.00431 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457448.5 (2016-Mar-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859488783268045 4.3494e-08  
q 2.189052791968762 1.1802e-07 au
tp 2458196.034012464774
(2018-Mar-18.53401246)
6.9658e-05 TDB
node 26.05409222288374 4.2368e-05 deg
peri 76.93296689802283 4.454e-05 deg
i 6.757296249495277 4.9041e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:52  

Additional Information
 Jupiter MOID = 2.00431 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.891770363839212E-15 -5.099838427810247E-15 -2.972709706395132E-13 1.175895018603584E-14 -8.256867950293448E-14 1.322581893891169E-15
q -5.099838427810247E-15 1.392938765885351E-14 1.248883427092129E-12 -3.096333401760198E-14 2.916945312324888E-13 -2.777323648854368E-15
tp -2.972709706395132E-13 1.248883427092129E-12 4.852201803537944E-9 -1.005217628556593E-12 9.82776213221918E-10 3.559151844152607E-12
node 1.175895018603584E-14 -3.096333401760198E-14 -1.005217628556593E-12 1.795026250704604E-9 -1.782253322040262E-9 2.149997647762967E-11
peri -8.256867950293448E-14 2.916945312324888E-13 9.82776213221918E-10 -1.782253322040262E-9 1.983843150374962E-9 -2.068829717438216E-11
i 1.322581893891169E-15 -2.777323648854368E-15 3.559151844152607E-12 2.149997647762967E-11 -2.068829717438216E-11 2.404989531923457E-11

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 15.47   n/a E2021B55  

192866 (1999 WS16)          Discovered 1999-Nov-30 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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 2021-Sep-17 23:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin