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 ]  
351431 (2005 GR122)
Classification: Main-belt Asteroid          SPK-ID: 2351431
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262756598773803 5.3412e-08  
a 2.643370822552317 1.8289e-08 au
q 2.30957742763391 1.4427e-07 au
i 8.334933410530359 5.8185e-06 deg
node 354.4771848205775 3.4838e-05 deg
peri 49.4362456657495 4.3158e-05 deg
M 2.516510091644467 2.1435e-05 deg
tp 2459189.526839275675
(2020-Dec-06.02683928)
9.3504e-05 TDB
period 1569.768336663305
4.30
1.6291e-05
4.46e-08
d
yr
n .2293332026082364 2.3801e-09 deg/d
Q 2.977164217470725 2.0598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-11-19  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:58:16  

Additional Information
 Earth MOID = 1.32627 au 
 Jupiter MOID = 2.46245 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457679.5 (2016-Oct-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278275981973672 5.3793e-08  
q 2.305476482481077 1.4538e-07 au
tp 2457614.292528703464
(2016-Aug-13.79252870)
9.7578e-05 TDB
node 354.6875894914278 3.4772e-05 deg
peri 48.21542260768825 4.2781e-05 deg
i 8.344017742068658 5.8267e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-11-19  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:58:16  

Additional Information
 Jupiter MOID = 2.46245 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.893701673738808E-15 -7.774936081801054E-15 -2.671010008515681E-13 1.963774960613276E-14 -6.823867035972015E-14 -6.594376146136437E-15
q -7.774936081801054E-15 2.113406392781725E-14 -5.275026370878819E-15 -5.288725648229592E-14 2.724544909236221E-15 1.922685052763546E-14
tp -2.671010008515681E-13 -5.275026370878819E-15 9.521543799907478E-9 -9.604122656368588E-12 2.454982858280486E-9 -1.520187335569473E-12
node 1.963774960613276E-14 -5.288725648229592E-14 -9.604122656368588E-12 1.209111223270399E-9 -1.198274082074692E-9 4.938756719970109E-11
peri -6.823867035972015E-14 2.724544909236221E-15 2.454982858280486E-9 -1.198274082074692E-9 1.830195740002914E-9 -4.94786060084672E-11
i -6.594376146136437E-15 1.922685052763546E-14 -1.520187335569473E-12 4.938756719970109E-11 -4.94786060084672E-11 3.395070777534737E-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 16.98   n/a MPCxxxxx  

351431 (2005 GR122)          Discovered 2005-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

Alternate Designations
 2005 GR122 = 2003 WE20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-08 15:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin