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 ]  
407139 (2009 TD2)
Classification: Main-belt Asteroid          SPK-ID: 2407139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2767085966334609 4.2491e-08  
a 3.05602151456912 3.9593e-08 au
q 2.210394089991035 1.3914e-07 au
i 3.336558314070029 1.1139e-05 deg
node 327.5831679748558 8.8393e-05 deg
peri 75.22323666322048 9.3168e-05 deg
M 24.94249957850813 2.8531e-05 deg
tp 2459065.301924156848
(2020-Aug-03.80192416)
0.00015301 TDB
period 1951.340407978702
5.34
3.7922e-05
1.038e-07
d
yr
n .1844885692563024 3.5853e-09 deg/d
Q 3.901648939147205 5.0549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      2000-02-04  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:12:17  

Additional Information
 Earth MOID = 1.22106 au 
 Jupiter MOID = 1.55537 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457543.5 (2016-Jun-04.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2726854269998253 4.3088e-08  
q 2.228185745278287 1.4531e-07 au
tp 2457094.033436345853
(2015-Mar-12.53343635)
0.00013769 TDB
node 329.2561272499057 8.7393e-05 deg
peri 71.75542315875394 9.3101e-05 deg
i 3.37074746114122 1.1167e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      2000-02-04  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:12:17  

Additional Information
 Jupiter MOID = 1.55537 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.85657246374772E-15 -6.104948584099528E-15 -1.985616669947051E-12 -3.062478001275166E-15 -4.042866146823921E-13 3.505451213065409E-15
q -6.104948584099528E-15 2.111589137951566E-14 8.945164892488096E-12 -2.014451632686462E-14 1.964070608177505E-12 -4.033909189219306E-15
tp -1.985616669947051E-12 8.945164892488096E-12 1.895716112964062E-8 -4.631194659430456E-11 4.444901570124431E-9 -4.017244678847195E-12
node -3.062478001275166E-15 -2.014451632686462E-14 -4.631194659430456E-11 7.637587368257939E-9 -7.630952957233552E-9 -3.089958206939503E-10
peri -4.042866146823921E-13 1.964070608177505E-12 4.444901570124431E-9 -7.630952957233552E-9 8.667848743564294E-9 3.067649433772699E-10
i 3.505451213065409E-15 -4.033909189219306E-15 -4.017244678847195E-12 -3.089958206939503E-10 3.067649433772699E-10 1.247015633695549E-10

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 16.7   n/a MPO476941  
diameter diameter 2.236 km 1.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

407139 (2009 TD2)          Discovered 2009-Oct-11 by Astronomical Research Observatory at Charleston
Reference: Last Updated: 2014-09-12

[ show close-approach data ]
Alternate Designations
 2009 TD2 = 2000 CP143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-09 03:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin