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 ]  
213508 (2002 GO91)
Classification: Main-belt Asteroid          SPK-ID: 2213508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04534456398508419 6.2687e-08  
a 2.315551890950373 1.5076e-08 au
q 2.210554200070391 1.4344e-07 au
i 7.233376268989359 4.2234e-06 deg
node 100.7552752320898 4.1775e-05 deg
peri 86.91467777554746 6.3157e-05 deg
M 122.0839312115743 4.7537e-05 deg
tp 2458764.048280918924
(2019-Oct-07.54828092)
0.00016933 TDB
period 1287.004909736158
3.52
1.2569e-05
3.441e-08
d
yr
n .2797192126281801 2.7317e-09 deg/d
Q 2.420549581830355 1.5759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6142 days (16.82 yr)  
   first obs. used      2002-04-09  
   last obs. used      2019-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:58  

Additional Information
 Earth MOID = 1.22405 au 
 Jupiter MOID = 2.55859 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457089.5 (2015-Mar-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04553375004788679 6.2428e-08  
q 2.208931674946617 1.4268e-07 au
tp 2457476.384119083137
(2016-Mar-28.88411908)
0.00016785 TDB
node 100.7972462955653 4.1749e-05 deg
peri 86.53705831000102 6.3171e-05 deg
i 7.236339654987566 4.2256e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6142 days (16.82 yr)  
   first obs. used      2002-04-09  
   last obs. used      2019-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:58  

Additional Information
 Jupiter MOID = 2.55859 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.897193248964198E-15 -8.863870693133237E-15 1.871967748343842E-12 3.373023423607026E-14 6.500726918019887E-13 -4.031153170923579E-15
q -8.863870693133237E-15 2.035723719749776E-14 -4.162263619272196E-12 -7.573285117619807E-14 -1.467621537894261E-12 9.584181876565924E-15
tp 1.871967748343842E-12 -4.162263619272196E-12 2.817217562040868E-8 5.244969454375407E-11 7.977174280749726E-9 -2.431182234979733E-13
node 3.373023423607026E-14 -7.573285117619807E-14 5.244969454375407E-11 1.742978323839326E-9 -1.713145780838052E-9 -7.486479246373398E-12
peri 6.500726918019887E-13 -1.467621537894261E-12 7.977174280749726E-9 -1.713145780838052E-9 3.990512353257816E-9 7.18139562330232E-12
i -4.031153170923579E-15 9.584181876565924E-15 -2.431182234979733E-13 -7.486479246373398E-12 7.18139562330232E-12 1.785576818623551E-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 16.65   n/a MPCxxxxx  

213508 (2002 GO91)          Discovered 2002-Apr-09 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 17:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin