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 ]  
118023 (2103 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118023
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806051822375063 5.7261e-08  
a 2.256070075489411 7.9136e-09 au
q 1.848612128365061 1.3057e-07 au
i 5.732760675207095 6.4059e-06 deg
node 199.8192381262802 3.7233e-05 deg
peri 191.5988319905184 3.906e-05 deg
M 263.6032749534668 1.1725e-05 deg
tp 2459331.926387637742
(2021-Apr-27.42638764)
4.0893e-05 TDB
period 1237.73395301543
3.39
6.5124e-06
1.783e-08
d
yr
n .2908541040850902 1.5303e-09 deg/d
Q 2.663528022613761 9.3428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      16650 days (45.59 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:50:48  

Additional Information
 Earth MOID = .854471 au 
 Jupiter MOID = 2.77268 au 
 T_jup = 3.595 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456893.5 (2014-Aug-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801713549265977 5.7094e-08  
q 1.84883600407221 1.3e-07 au
tp 2456858.149145978989
(2014-Jul-19.64914598)
3.8781e-05 TDB
node 199.9020373013112 3.7264e-05 deg
peri 191.6711552477256 3.9106e-05 deg
i 5.730192588724386 6.4044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      16650 days (45.59 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:50:48  

Additional Information
 Jupiter MOID = 2.77268 au 
 T_jup = 3.595 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.259701067683912E-15 -7.413115126999917E-15 -8.714415431333259E-13 -2.48316749514567E-14 -1.781267313141828E-13 -5.287958547329649E-15
q -7.413115126999917E-15 1.689971834854922E-14 1.965852138498539E-12 5.610408251827958E-14 4.007652932808445E-13 1.213095690313041E-14
tp -8.714415431333259E-13 1.965852138498539E-12 1.503977547082965E-9 1.148668638749018E-11 4.635029699570166E-10 2.599348608174864E-12
node -2.48316749514567E-14 5.610408251827958E-14 1.148668638749018E-11 1.388608250432541E-9 -1.377887856577484E-9 -6.011810891795971E-11
peri -1.781267313141828E-13 4.007652932808445E-13 4.635029699570166E-10 -1.377887856577484E-9 1.529288365427702E-9 6.053359329404774E-11
i -5.287958547329649E-15 1.213095690313041E-14 2.599348608174864E-12 -6.011810891795971E-11 6.053359329404774E-11 4.10163987534471E-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 16.5   n/a MPO379343  

118023 (2103 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2103 T-2 = 2000 QL89 
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-03 16:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin