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JPL Small-Body Database Browser
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452288 (2015 TD209)
Classification: Main-belt Asteroid          SPK-ID: 2452288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156587328749236 7.3733e-08  
a 2.635663502304588 4.6947e-08 au
q 2.330826001343356 2.0911e-07 au
i 6.476575239750742 6.1995e-06 deg
node 121.8978438940155 9.4941e-05 deg
peri 320.9903558970412 0.00015054 deg
M 249.8719282383354 0.00011351 deg
tp 2459078.611186703038
(2020-Aug-17.11118670)
0.00050011 TDB
period 1562.907844110718
4.28
4.1759e-05
1.143e-07
d
yr
n .2303398766322253 6.1543e-09 deg/d
Q 2.94050100326582 5.2377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5304 days (14.52 yr)  
   first obs. used      2002-09-09  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55116  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:51:23  

Additional Information
 Earth MOID = 1.35106 au 
 Jupiter MOID = 2.25487 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457165.5 (2015-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140158631548563 7.4748e-08  
q 2.336438645050315 2.1254e-07 au
tp 2457511.540951729040
(2016-May-03.04095173)
0.00048849 TDB
node 122.026763747716 9.4982e-05 deg
peri 320.1867467206612 0.00015249 deg
i 6.473682956929588 6.2018e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5304 days (14.52 yr)  
   first obs. used      2002-09-09  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55116  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:51:23  

Additional Information
 Jupiter MOID = 2.25487 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.587335832366631E-15 -1.559729901757101E-14 -2.448346562437471E-11 -3.085037057618131E-13 -5.911089162655207E-12 -4.237354734111235E-14
q -1.559729901757101E-14 4.517235393337621E-14 7.546896171764573E-11 9.519809131762955E-13 1.817419680066972E-11 1.296331714677275E-13
tp -2.448346562437471E-11 7.546896171764573E-11 2.386202167146666E-7 2.692161382008641E-9 5.849800129524773E-8 3.46653057219637E-10
node -3.085037057618131E-13 9.519809131762955E-13 2.692161382008641E-9 9.02162455292994E-9 -8.275018174115699E-9 1.603615546464195E-10
peri -5.911089162655207E-12 1.817419680066972E-11 5.849800129524773E-8 -8.275018174115699E-9 2.325329756338651E-8 -7.071962230402016E-11
i -4.237354734111235E-14 1.296331714677275E-13 3.46653057219637E-10 1.603615546464195E-10 -7.071962230402016E-11 3.846180745122578E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO495255  

452288 (2015 TD209)          Discovered 2004-Feb-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 TD209 = 2004 CB73 = 2011 WR42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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