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 ]  
117741 (2005 GD31)
Classification: Main-belt Asteroid          SPK-ID: 2117741
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539284332782486 5.9095e-08  
a 2.650176917077195 2.8432e-08 au
q 2.242239336321323 1.5461e-07 au
i 13.57265185841899 7.174e-06 deg
node 35.12691762063054 2.1183e-05 deg
peri 10.79270488181502 2.9653e-05 deg
M 317.3233167555649 2.8567e-05 deg
tp 2459187.309469025960
(2020-Dec-03.80946903)
0.0001273 TDB
period 1575.834946313804
4.31
2.5359e-05
6.943e-08
d
yr
n .2284503214261828 3.6764e-09 deg/d
Q 3.058114497833067 3.2809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      1999-12-12  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:06:21  

Additional Information
 Earth MOID = 1.2524 au 
 Jupiter MOID = 2.37004 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456589.5 (2013-Oct-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562442857341229 5.9717e-08  
q 2.235095042795643 1.5691e-07 au
tp 2456031.118176735999
(2012-Apr-13.61817674)
9.2383e-05 TDB
node 35.2383186957845 2.1118e-05 deg
peri 9.832474121202241 2.9331e-05 deg
i 13.60228840808978 7.1869e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      1999-12-12  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:06:21  

Additional Information
 Jupiter MOID = 2.37004 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.566061523180358E-15 -9.262899553656971E-15 -5.874828537674012E-13 6.341512741685361E-15 -1.809486763068282E-13 -2.053941621688398E-15
q -9.262899553656971E-15 2.461964614012158E-14 2.649869589809134E-12 -1.619997360354035E-14 7.408908052129621E-13 5.734220385362217E-15
tp -5.874828537674012E-13 2.649869589809134E-12 8.534608822188807E-9 2.040780622859798E-12 1.895677259432969E-9 -6.731713187290393E-12
node 6.341512741685361E-15 -1.619997360354035E-14 2.040780622859798E-12 4.45986036830802E-10 -4.327245593685518E-10 -2.753511200113708E-11
peri -1.809486763068282E-13 7.408908052129621E-13 1.895677259432969E-9 -4.327245593685518E-10 8.602896186482881E-10 2.547955048516461E-11
i -2.053941621688398E-15 5.734220385362217E-15 -6.731713187290393E-12 -2.753511200113708E-11 2.547955048516461E-11 5.165126896413148E-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 15.1   n/a MPO439765  

117741 (2005 GD31)          Discovered 2005-Apr-04 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 20:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin