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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2765119136761288 4.8142e-08  
a 3.055171943776601 5.6365e-08 au
q 2.210380502993315 1.7021e-07 au
i 3.336549730355035 1.189e-05 deg
node 327.5846298648548 8.8472e-05 deg
peri 75.21192813710708 9.6713e-05 deg
M 348.0454791151893 4.0158e-05 deg
tp 2459065.271146868094
(2020-Aug-03.77114687)
0.00021903 TDB
period 1950.526758637468
5.34
5.3978e-05
1.478e-07
d
yr
n .1845655274432002 5.1076e-09 deg/d
Q 3.899963384559887 7.195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2000-02-04  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56797  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:22:19  

Additional Information
 Earth MOID = 1.22199 au 
 Jupiter MOID = 1.55595 au 
 T_jup = 3.173 
[ show covariance matrix ]

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 01:55 00:10 Jupiter 1.57434349943214 1.57434060044244 1.57434639856676 0.45797487354367 n/a 2419057.580180452 10.4724260859418 776.45024375615 22.8998877852741 -79.402079846137 10106285.0623153 F 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
1959-Aug-30 19:18 00:06 Jupiter 1.61525725314817 1.61525388100978 1.61526062529197 0.694119784168885 n/a 2436811.303850730 6.18095050475437 245.830612121829 95.7223399347302 52.3691048271146 2086624.07414759 F 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
1969-Jan-01 01:12 00:05 Jupiter 1.94692714641083 1.94692239496419 1.94693189790153 1.90836450970083 1.66485522427643 2440222.550061747 5.17476458144365 706.738740020102 27.3037329028786 -75.914443101574 875497.027005178 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
2008-May-03 05:38 00:02 Jupiter 1.93163226448599 1.93162929125614 1.931635237711 2.38751993963617 2.19618979866452 2454589.734863027 1.65801327291041 109.767985912859 27.4273399289968 -72.7727406285717 519554.079844718 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
2017-Aug-29 16:20 < 00:01 Jupiter 1.61971263345993 1.61971133863824 1.61971392828725 0.555653176297114 n/a 2457995.180349263 0.854321080681304 229.410708591987 47.1242303936016 -78.6620303016662 5044255.42017009 F 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
2066-Apr-05 20:22 00:04 Jupiter 1.56918045647766 1.56917938095655 1.56918153199884 0.554960214474613 n/a 2475746.348410606 4.30286027927604 172.462566917044 53.3584673681927 -88.1100675384287 4395907.54261733 F 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
2114-Dec-05 15:13 00:09 Jupiter 1.84139107890533 1.84138680980789 1.84139534799346 1.9467943640856 1.69411545462453 2493521.133813964 9.17748792659856 412.659185379382 76.6592227075081 56.6659203235504 662282.884956559 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
2124-Apr-02 03:24 00:10 Jupiter 1.68459836295974 1.68459414649868 1.68460257949072 0.726615593343605 n/a 2496926.641747633 10.0856793815147 606.622444731455 64.9787729389934 -70.6372552739434 3660500.94901139 F 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22
2172-Nov-12 06:51 00:14 Jupiter 1.54143785200061 1.54143680873832 1.54143889528615 0.477057371162906 n/a 2514682.785605573 14.0726933764078 605.193782423466 45.1987040322398 87.5536742917326 5095613.77861486 F 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:22:20 2019-Sep-24 07:22

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