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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2767085970821475 4.2491e-08  
a 3.056021514042461 3.9593e-08 au
q 2.210394088238912 1.3914e-07 au
i 3.336558305395474 1.1139e-05 deg
node 327.5831687629894 8.8393e-05 deg
peri 75.22323636006494 9.3168e-05 deg
M 24.94249911787561 2.8531e-05 deg
tp 2459065.301926688605
(2020-Aug-03.80192669)
0.00015301 TDB
period 1951.340407474276
5.34
3.7922e-05
1.038e-07
d
yr
n .184488569303993 3.5853e-09 deg/d
Q 3.901648939846011 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:38:57  

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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2726854266278172 4.3088e-08  
q 2.22818574758923 1.4531e-07 au
tp 2457094.033437931531
(2015-Mar-12.53343793)
0.00013768 TDB
node 329.2561270421209 8.7393e-05 deg
peri 71.75542380695501 9.3101e-05 deg
i 3.370747436202478 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:38:57  

Additional Information
 Jupiter MOID = 1.55537 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.856572462171249E-15 -6.104948686219956E-15 -1.985616569346808E-12 -3.06247209940891E-15 -4.042866043156311E-13 3.5054481856677E-15
q -6.104948686219956E-15 2.111589102859015E-14 8.945163641436009E-12 -2.014449713025133E-14 1.964070172099776E-12 -4.033911605508655E-15
tp -1.985616569346808E-12 8.945163641436009E-12 1.8957158644817E-8 -4.63119205833579E-11 4.444900750779179E-9 -4.017251212427479E-12
node -3.06247209940891E-15 -2.014449713025133E-14 -4.63119205833579E-11 7.637587388522786E-9 -7.630952969774967E-9 -3.089958285532155E-10
peri -4.042866043156311E-13 1.964070172099776E-12 4.444900750779179E-9 -7.630952969774967E-9 8.667848495679869E-9 3.067649490318473E-10
i 3.5054481856677E-15 -4.033911605508655E-15 -4.017251212427479E-12 -3.089958285532155E-10 3.067649490318473E-10 1.247015700860633E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-Jan-21 01:58 00:07 Jupiter 1.57434282685518 1.57434085334191 1.57434480043952 0.457972201516298 n/a 2419057.581839769 7.17824672978318 549.456788931048 21.5330138607445 -79.9269386423894 10765880.9473342 F 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
1959-Aug-30 19:19 00:04 Jupiter 1.61525807818131 1.6152556948501 1.61526046151437 0.694122681807843 n/a 2436811.304792804 4.22614031783199 174.314077008252 87.6270135521017 57.8045847044083 2446875.90654258 F 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
1969-Jan-01 01:13 00:04 Jupiter 1.94692608717045 1.94692282061766 1.9469293537447 1.90836030860698 1.66485026798111 2440222.550783817 3.55123280562099 514.79563392791 26.8022067392141 -76.2832341787283 980036.302017623 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
2008-May-03 05:39 00:01 Jupiter 1.93163296601608 1.931630781448 1.93163515058152 2.38752344215133 2.19619367993219 2454589.735091652 1.18494621115115 90.5214733545875 25.8009089199213 -76.1627561813876 620332.521800199 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
2017-Aug-29 16:20 < 00:01 Jupiter 1.61971243706644 1.6197113767486 1.61971349738945 0.55565255738113 n/a 2457995.180373323 0.74953302249296 212.365248589299 37.6859417821503 -79.778587857015 6328895.04691208 F 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
2066-Apr-05 20:21 00:03 Jupiter 1.56918052667433 1.56917947926549 1.56918157408325 0.554959421083076 n/a 2475746.347919250 3.05943333996802 140.108677822016 51.7412167227858 -86.8613111465492 4529663.41561204 F 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
2114-Dec-05 15:11 00:06 Jupiter 1.84139065756535 1.84138728330379 1.84139403182063 1.94679171559801 1.69411235048298 2493521.132807929 6.43744899127279 311.972890720651 71.45042556524 57.7486704728296 713093.154450816 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
2124-Apr-02 03:22 00:07 Jupiter 1.68459894674278 1.68459573745184 1.68460215606744 0.726617749040275 n/a 2496926.640568206 7.04609517606301 438.689718511358 62.6462014271711 -70.1738742304327 3788211.9297351 F 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38
2172-Nov-12 06:49 00:10 Jupiter 1.5414377946185 1.54143687279492 1.54143871644768 0.477054659229664 n/a 2514682.783837438 9.76253691568391 428.508270680923 43.1642916942808 87.8750831621216 5336984.50203645 F 17 CATAB v2.0f-lin.ifort 2021-Apr-14 12:38:57 2021-Apr-14 12:38

Alternate Designations
 2009 TD2 = 2000 CP143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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