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 ]  
120208 Brentbarbee (2004 EK32)
Classification: Main-belt Asteroid          SPK-ID: 2120208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490878724225755 3.1651e-08  
a 2.313199421737081 8.8737e-09 au
q 1.968329441461167 7.2487e-08 au
i 4.483481584946746 4.302e-06 deg
node 165.5732678808318 4.6372e-05 deg
peri 114.9750286176514 4.855e-05 deg
M 190.1673995932715 1.4665e-05 deg
tp 2459806.728846934663
(2022-Aug-15.22884693)
5.2907e-05 TDB
period 1285.044122116807
3.52
7.3943e-06
2.024e-08
d
yr
n .2801460228517174 1.612e-09 deg/d
Q 2.658069402012994 1.0197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      2000-02-03  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:24  

Additional Information
 Earth MOID = .955194 au 
 Jupiter MOID = 2.47405 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491990976194396 3.1576e-08  
q 1.967679096430279 7.2317e-08 au
tp 2457237.753706594593
(2015-Aug-03.25370659)
5.2206e-05 TDB
node 165.612893842749 4.6362e-05 deg
peri 115.107749650958 4.8546e-05 deg
i 4.484094217857283 4.3032e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      2000-02-03  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:24  

Additional Information
 Jupiter MOID = 2.47405 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.970324030405779E-16 -2.271208901745284E-15 7.668037866715699E-14 8.481051518210444E-16 -7.431726901656282E-18 -1.216016975820541E-15
q -2.271208901745284E-15 5.229696998376906E-15 -2.158267043302167E-13 -2.479049543887878E-15 -1.391717588580973E-14 2.862350369316004E-15
tp 7.668037866715699E-14 -2.158267043302167E-13 2.725471168664557E-9 2.778950785136653E-11 7.625425585524199E-10 1.046799943921109E-12
node 8.481051518210444E-16 -2.479049543887878E-15 2.778950785136653E-11 2.149391301678843E-9 -2.134208860914438E-9 2.501409684177422E-11
peri -7.431726901656282E-18 -1.391717588580973E-14 7.625425585524199E-10 -2.134208860914438E-9 2.356704977720682E-9 -2.465946539027091E-11
i -1.216016975820541E-15 2.862350369316004E-15 1.046799943921109E-12 2.501409684177422E-11 -2.465946539027091E-11 1.851780540796958E-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 16.2   n/a MPO532519  

120208 Brentbarbee           Discovered 2004 Mar. 15 by the Catalina Sky Survey.
Brent Barbee (b. 1981) is a member of the Flight Dynamics System team for the OSIRIS-REx Asteroid Sample Return Mission. He is also the creator of NASA's NHATS system to monitor the accessibility of near-Earth asteroids, and he works on research projects to develop systems to defend Earth from asteroid impacts.
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 2016-05-21Last Updated: 2016-05-24

[ 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-Apr-13 07:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin