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(2009 TD8)
Classification: Aten [NEO]          SPK-ID: 3471514
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450175668559955 0.00034673  
a .882916773260741 0.00062838 au
q .6665866537400476 0.00056292 au
i 5.089070606753761 0.04281 deg
node 20.20989348462459 0.074434 deg
peri 147.3103077116343 0.22891 deg
M 33.86495600472519 1.8618 deg
tp 2459171.994668695048
(2020-Nov-18.49466870)
1.5368 TDB
period 303.0247335431622
0.83
0.3235
0.0008857
d
yr
n 1.1880218350187 0.0012683 deg/d
Q 1.099246892781435 0.00078234 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2009-10-14  
   last obs. used      2009-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:03:00  

Additional Information
 Earth MOID = .0210355 au 
 Jupiter MOID = 3.86687 au 
 T_jup = 6.689 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.9   n/a MPO164406  

[ 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
2006-Nov-01 02:43 4_01:30 Venus 0.0523448801611514 0.0454805663148976 0.0685341150029048 7.75565835116432 7.75030746256712 2454040.613030857 5849.75772290758 1267546.50865868 15687.975269898 60.5153422352244 223.910025150973 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2009-May-09 14:23 16:15 Earth 0.271472863590239 0.269335458910428 0.273610277433737 7.81841931506631 7.81716385806106 2454961.099321824 974.638216174389 106612.981804454 351.524959195167 -2.19321758992271 2223.85059676071 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2009-Oct-21 21:31 00:46 Earth 0.0401815946510914 0.0398200873221467 0.0405430805961826 5.70161740181295 5.68997531764038 2455126.396728056 45.6031206825354 17966.9032222443 228.558068206186 0.312103483945441 198.543999536309 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2014-Apr-29 01:26 6_08:08 Earth 0.288111948326745 0.276509708370644 0.299719928232155 8.76193419750131 8.76087865126726 2456776.559686568 9128.17216698613 582245.179128752 15334.8183141608 -6.54369761956532 157.520361280608 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2014-Oct-27 22:39 1_19:31 Earth 0.0278688561695733 0.0210890823136081 0.0600612272908041 6.98315752573557 6.96945288230479 2456958.443485931 2610.77890623785 1897291.80450934 915.858065644007 -49.2962672561873 650.40480080919 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2019-Oct-28 06:38 1_15:49 Earth 0.13893290012353 0.0656689822980739 0.213519622354485 10.5520879842852 10.5502703510394 2458784.776521285 2389.49065097922 3747977.28243443 3476.2228349848 -8.84801164992239 520.626756264603 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2023-Aug-07 10:29 4_11:37 Earth 0.399594891740145 0.274053594612196 0.526948225634145 18.1682614217204 18.1678944070322 2460163.936517394 6456.77709477429 6446771.0932122 12243.6309606377 11.4023317059472 921.030181600691 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2024-Oct-23 11:11 5_19:44 Earth 0.267642724284037 0.113666832001103 0.422189939103783 14.573827597038 14.573144482598 2460606.966018556 8384.2822839897 7717087.97092099 6253.59619855461 -3.79126282154455 317.022333974163 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2028-Aug-02 11:52 7_03:55 Earth 0.295388834961694 0.110103199010045 0.498671633437157 14.8357080330045 14.8351000115518 2461985.994281972 10314.6278138508 10357641.2605933 3840.73848650338 15.4614237081462 5691.3216250168 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2029-Oct-19 12:29 9_07:55 Earth 0.376024195139501 0.148021312904616 0.604289567400448 17.9443038363017 17.9439089475793 2462429.020459606 13435.2488921786 11386910.4913136 8303.72465107753 -2.02918584849846 195.134651198579 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2033-Jul-30 03:08 7_13:31 Earth 0.1981711404472 0.0816538748721005 0.458524271366776 11.6102319598704 11.6090738421348 2463808.630454740 10890.9454680645 13495946.6191613 4832.46066171926 24.3656582992829 1145.03050983765 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
2075-Aug-20 03:05 9_13:28 Venus 0.0528510896068662 0.0409910069354094 0.0658482396427239 6.1770802908276 6.17042501937071 2479169.628265463 13767.8950412623 735479.949811438 123338.670588245 32.199657491958 30.2305909445819 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 03:03:00 2021-Apr-15 03:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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