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 ]  
117720 (2005 GB8)
Classification: Main-belt Asteroid          SPK-ID: 2117720
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745251272780968 3.7928e-08  
a 2.62488820940603 1.211e-08 au
q 2.166779260568667 1.0415e-07 au
i 3.950220997151346 4.0251e-06 deg
node 196.2243031377812 5.0382e-05 deg
peri 282.0335870916869 5.1707e-05 deg
M 312.3547579811448 1.2806e-05 deg
tp 2459406.080388091455
(2021-Jul-10.58038809)
5.5703e-05 TDB
period 1553.333272683036
4.25
1.075e-05
2.943e-08
d
yr
n .231759665701476 1.6039e-09 deg/d
Q 3.082997158243393 1.4224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7698 days (21.08 yr)  
   first obs. used      1999-12-14  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:17:37  

Additional Information
 Earth MOID = 1.18689 au 
 Jupiter MOID = 2.02623 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722562771845887 3.7837e-08  
q 2.174281668807465 1.0379e-07 au
tp 2457851.091293665464
(2017-Apr-07.59129367)
5.4198e-05 TDB
node 196.2977769014805 5.0292e-05 deg
peri 281.8140624231775 5.167e-05 deg
i 3.951172191673353 4.0282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7698 days (21.08 yr)  
   first obs. used      1999-12-14  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:17:37  

Additional Information
 Jupiter MOID = 2.02623 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.431631609832462E-15 -3.911635565912971E-15 -2.454784229013494E-13 7.524218808567395E-15 1.305425232724365E-14 -1.211871998634581E-16
q -3.911635565912971E-15 1.077220321893294E-14 7.129788843457842E-13 -2.174821783932661E-14 -3.202647464248638E-14 5.290890389826872E-16
tp -2.454784229013494E-13 7.129788843457842E-13 2.937466042765885E-9 -3.264406677595317E-12 6.473255916726085E-10 1.087554792464867E-12
node 7.524218808567395E-15 -2.174821783932661E-14 -3.264406677595317E-12 2.52929095627968E-9 -2.523159604069159E-9 -9.27839295244789E-12
peri 1.305425232724365E-14 -3.202647464248638E-14 6.473255916726085E-10 -2.523159604069159E-9 2.669813799592958E-9 9.473804657536269E-12
i -1.211871998634581E-16 5.290890389826872E-16 1.087554792464867E-12 -9.27839295244789E-12 9.473804657536269E-12 1.622623090342931E-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 MPO453648  

117720 (2005 GB8)          Discovered 2005-Apr-02 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 GB8 = 2003 WN16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-02 18:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin