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 ]  
120255 (2004 GG17)
Classification: Main-belt Asteroid          SPK-ID: 2120255
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956421894113677 4.1047e-08  
a 2.307632029155551 1.1834e-08 au
q 1.856161846615762 9.4454e-08 au
i 23.37070165542181 6.9589e-06 deg
node 88.72506263034008 1.0791e-05 deg
peri 223.0329374239336 2.4192e-05 deg
M 146.8226355046808 2.4737e-05 deg
tp 2458478.297701703522
(2018-Dec-25.79770170)
8.6844e-05 TDB
period 1280.407661533488
3.51
9.8495e-06
2.697e-08
d
yr
n .2811604544515486 2.1628e-09 deg/d
Q 2.75910221169534 1.415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:26  

Additional Information
 Earth MOID = .88447 au 
 Jupiter MOID = 2.5277 au 
 T_jup = 3.454 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961419171004523 4.0885e-08  
q 1.854615204857307 9.4094e-08 au
tp 2457198.622764194735
(2015-Jun-25.12276419)
8.4595e-05 TDB
node 88.75371567157293 1.08e-05 deg
peri 223.0876789088643 2.4168e-05 deg
i 23.36436832330179 6.9571e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:26  

Additional Information
 Jupiter MOID = 2.5277 au 
 T_jup = 3.454 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.671546419889637E-15 -3.82744536158882E-15 -1.172493250099406E-12 4.932808464723386E-17 -3.369542135925513E-13 2.23979821590041E-15
q -3.82744536158882E-15 8.853660393846412E-15 2.828124043322481E-12 -1.068354287193441E-15 8.126163669507004E-13 -4.162297011896742E-15
tp -1.172493250099406E-12 2.828124043322481E-12 7.156351165591505E-9 -6.87016842934228E-12 1.840149160926009E-9 1.398679762444615E-11
node 4.932808464723386E-17 -1.068354287193441E-15 -6.87016842934228E-12 1.166436080695714E-10 -1.086121398495456E-10 -2.653142592240008E-11
peri -3.369542135925513E-13 8.126163669507004E-13 1.840149160926009E-9 -1.086121398495456E-10 5.840733561681351E-10 2.784318660878633E-11
i 2.23979821590041E-15 -4.162297011896742E-15 1.398679762444615E-11 -2.653142592240008E-11 2.784318660878633E-11 4.840114270192414E-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 MPO502800  
diameter diameter 2.583 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120255 (2004 GG17)          Discovered 2004-Apr-10 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ 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-Dec-05 07:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin