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 ]  
80249 (1999 WB9)
Classification: Main-belt Asteroid          SPK-ID: 2080249
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2448440321065924 3.5028e-08  
a 2.367920764437094 8.6643e-09 au
q 1.788149496763391 8.3587e-08 au
i 4.557033945826209 4.1261e-06 deg
node 258.4414314598042 5.7515e-05 deg
peri 189.9972208559314 5.855e-05 deg
M 219.272339386979 1.316e-05 deg
tp 2459520.766836189373
(2021-Nov-02.26683619)
5.0624e-05 TDB
period 1330.91149396144
3.64
7.3047e-06
2e-08
d
yr
n .2704913148871116 1.4846e-09 deg/d
Q 2.947692032110796 1.0786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:18  

Additional Information
 Earth MOID = .804772 au 
 Jupiter MOID = 2.2778 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457293.5 (2015-Sep-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2463110471599174 3.5111e-08  
q 1.782515604755676 8.3934e-08 au
tp 2456860.300787313374
(2014-Jul-21.80078731)
4.0846e-05 TDB
node 258.4776161137067 5.7452e-05 deg
peri 189.6601163578729 5.8473e-05 deg
i 4.561576328873675 4.1305e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:18  

Additional Information
 Jupiter MOID = 2.2778 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.232810986857056E-15 -2.938265142966395E-15 -1.499759635008482E-13 -9.245871130139422E-15 -4.971637226076279E-15 4.889175651113406E-16
q -2.938265142966395E-15 7.044942420610933E-15 4.978551468811949E-13 2.225025439580679E-14 4.991422490823428E-14 -9.932097019493146E-16
tp -1.499759635008482E-13 4.978551468811949E-13 1.66843320995533E-9 -2.880691930296829E-12 4.639338057849585E-10 9.598009700392466E-13
node -9.245871130139422E-15 2.225025439580679E-14 -2.880691930296829E-12 3.300709645801425E-9 -3.290850436372309E-9 1.671457002945692E-12
peri -4.971637226076279E-15 4.991422490823428E-14 4.639338057849585E-10 -3.290850436372309E-9 3.419113251734014E-9 -1.353038975760351E-12
i 4.889175651113406E-16 -9.932097019493146E-16 9.598009700392466E-13 1.671457002945692E-12 -1.353038975760351E-12 1.706078774653227E-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 16.03   n/a E2021B10  

80249 (1999 WB9)          Discovered 1999-Nov-30 by Stafford, T. at Zeno
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 WB9 = 2002 PE10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-28 22:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin