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 ]  
216881 (2008 GA32)
Classification: Jupiter Trojan          SPK-ID: 2216881
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05979192061906464 5.1527e-08  
a 5.19555207489924 1.383e-07 au
q 4.884900037664647 3.4947e-07 au
i 22.85002120082025 7.3833e-06 deg
node 189.7606113745265 1.3185e-05 deg
peri 137.4140618976426 7.1038e-05 deg
M 280.813088685793 7.3172e-05 deg
tp 2460151.973907221067
(2023-Jul-26.47390722)
0.00090166 TDB
period 4325.596249618218
11.84
0.00017272
4.729e-07
d
yr
n .08322552065088692 3.3232e-09 deg/d
Q 5.506204112133832 1.4657e-07 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:39  

Additional Information
 Earth MOID = 3.9058 au 
 Jupiter MOID = .0165935 au 
 T_jup = 2.840 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.53   n/a MPCxxxxx  
diameter diameter 10.655 km 0.893 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.062   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

216881 (2008 GA32)          Discovered 2008-Apr-03 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 12:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin