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 ]  
136886 (1998 GL12)
Classification: Main-belt Asteroid          SPK-ID: 2136886
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114234907432702 4.8535e-08  
a 2.995908378275933 2.3427e-08 au
q 2.662093808821419 1.3812e-07 au
i 2.533985037526004 4.7807e-06 deg
node 79.06018442730451 0.00010909 deg
peri 110.0114958211585 0.00011144 deg
M 91.22693485763644 2.1491e-05 deg
tp 2458520.532533646558
(2019-Feb-06.03253365)
0.00011357 TDB
period 1894.049034497133
5.19
2.2216e-05
6.082e-08
d
yr
n .1900689968650043 2.2294e-09 deg/d
Q 3.329722947730448 2.6038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      10035 days (27.47 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:12  

Additional Information
 Earth MOID = 1.66397 au 
 Jupiter MOID = 1.62702 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097014630207462 4.8725e-08  
q 2.664622916956559 1.3819e-07 au
tp 2456624.567315335459
(2013-Nov-28.06731534)
0.00011909 TDB
node 79.08406051267225 0.00010897 deg
peri 109.0775873698625 0.00011139 deg
i 2.536076286740083 4.7827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      10035 days (27.47 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:12  

Additional Information
 Jupiter MOID = 1.62702 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.374127758174274E-15 -6.672554248600068E-15 -1.051333924799873E-12 -2.441321236071238E-14 -2.270638202005589E-13 7.474500173393043E-18
q -6.672554248600068E-15 1.909558564743882E-14 2.516272566840878E-12 6.802100852733399E-14 5.724849095824483E-13 -1.117021938240375E-17
tp -1.051333924799873E-12 2.516272566840878E-12 1.418196878164773E-8 1.476577529844482E-11 2.780725552752376E-9 -2.341215305954236E-12
node -2.441321236071238E-14 6.802100852733399E-14 1.476577529844482E-11 1.187417911654408E-8 -1.185917425487525E-8 3.731419675273887E-11
peri -2.270638202005589E-13 5.724849095824483E-13 2.780725552752376E-9 -1.185917425487525E-8 1.240871870608363E-8 -3.775868613363048E-11
i 7.474500173393043E-18 -1.117021938240375E-17 -2.341215305954236E-12 3.731419675273887E-11 -3.775868613363048E-11 2.28739770219002E-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 15.6   n/a MPO469440  
diameter diameter 4.152 km 1.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136886 (1998 GL12)          Discovered 1998-Apr-02 by Elst, E. W. at La Silla
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 GL12 = 1993 FJ41 = 2001 XM125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-27 04:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin