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 ]  
382820 (2003 WB9)
Classification: Mars-crossing Asteroid          SPK-ID: 2382820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2943856483872273 4.3928e-08  
a 2.192627307816097 6.9875e-09 au
q 1.547149296133115 9.7512e-08 au
i 7.018642648543658 4.9462e-06 deg
node 271.2640681941099 3.4774e-05 deg
peri 73.33524980112507 3.8073e-05 deg
M 73.84639748472672 9.4391e-06 deg
tp 2458757.239011208642
(2019-Sep-30.73901121)
3.1197e-05 TDB
period 1185.893407772549
3.25
5.6689e-06
1.552e-08
d
yr
n .303568598695716 1.4511e-09 deg/d
Q 2.838105319499079 9.0446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:17:27  

Additional Information
 Earth MOID = .558411 au 
 Jupiter MOID = 2.62718 au 
 T_jup = 3.605 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457790.5 (2017-Feb-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2951423917397994 4.3817e-08  
q 1.545060503590923 9.7321e-08 au
tp 2457571.945729121756
(2016-Jul-02.44572912)
3.2081e-05 TDB
node 271.2936798634938 3.4804e-05 deg
peri 73.37826975738493 3.8078e-05 deg
i 7.016522693363621 4.9448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:17:27  

Additional Information
 Jupiter MOID = 2.62718 au 
 T_jup = 3.605 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.919957346078214E-15 -4.259079131737977E-15 -4.156149823030313E-13 3.568333314360154E-14 -1.83439349369673E-13 -1.856845031486095E-14
q -4.259079131737977E-15 9.471397073476774E-15 8.640774759266906E-13 -7.692007890170073E-14 3.811907676989007E-13 4.154155408359742E-14
tp -4.156149823030313E-13 8.640774759266906E-13 1.029178178533225E-9 -3.201707384777235E-11 5.047626980468065E-10 7.601811527255976E-12
node 3.568333314360154E-14 -7.692007890170073E-14 -3.201707384777235E-11 1.211286791938216E-9 -1.215872675850573E-9 5.379089318419726E-11
peri -1.83439349369673E-13 3.811907676989007E-13 5.047626980468065E-10 -1.215872675850573E-9 1.449946284185383E-9 -5.042748221444245E-11
i -1.856845031486095E-14 4.154155408359742E-14 7.601811527255976E-12 5.379089318419726E-11 -5.042748221444245E-11 2.445087422697279E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO494954  

382820 (2003 WB9)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 18:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin