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469548 (2003 TD20)
Classification: Main-belt Asteroid          SPK-ID: 2469548
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3358756624529604 1.5491e-07  
a 2.674001187849145 3.2193e-08 au
q 1.77586926748031 4.3189e-07 au
i 6.470743345295767 7.7606e-06 deg
node 253.8530623169241 0.00011537 deg
peri 108.5581756634026 0.00015108 deg
M 293.5374216976203 5.6348e-05 deg
tp 2459295.359758065856
(2021-Mar-21.85975807)
0.00025456 TDB
period 1597.132034522764
4.37
2.8843e-05
7.897e-08
d
yr
n .2254040318636342 4.0706e-09 deg/d
Q 3.572133108217979 4.3006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4816 days (13.19 yr)  
   first obs. used      2003-09-21  
   last obs. used      2016-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59712  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:41:29  

Additional Information
 Earth MOID = .786695 au 
 Jupiter MOID = 1.97099 au 
 T_jup = 3.288 
[ 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 17.7   n/a MPO397652  

469548 (2003 TD20)          Discovered 2003-Sep-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22

[ 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
1909-Aug-02 21:10 1_02:11 Jupiter 1.96317070659177 1.96316774175124 1.96317367390528 0.392529684225298 n/a 2418521.381875841 1570.67190535685 3739.85823067402 54.4483495678727 -87.892458904901 5388883.98945749 F 7 CATAB v2.0e-lin.ifort 2017-Nov-27 07:58:30 2018-Dec-18 03:37
1992-Aug-29 11:57 12:21 Jupiter 1.96250704125294 1.96250443712568 1.96250964548518 0.40517180476819 n/a 2448863.997665528 740.861281936617 762.760567863641 39.6505565909588 -80.6573019787313 7304597.20807687 F 7 CATAB v2.0e-lin.ifort 2017-Nov-27 07:58:30 2018-Dec-18 03:37
2075-Sep-26 03:25 11:17 Jupiter 1.9691099708545 1.96910767849721 1.96911226321185 0.45984102645141 n/a 2479206.642134412 676.643805978561 361.163403247874 114.140032949218 -88.9561816047197 2579804.40294588 F 7 CATAB v2.0e-lin.ifort 2017-Nov-27 07:58:30 2018-Dec-18 03:37
2158-Oct-24 01:27 1_12:04 Jupiter 1.96638282794966 1.96638083221808 1.96638482379721 0.511518476602244 n/a 2509549.560337038 2164.23477945325 5328.60654383907 98.5228609933674 -89.8487250067662 2985032.67287011 F 7 CATAB v2.0e-lin.ifort 2017-Nov-27 07:58:30 2018-Dec-18 03:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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