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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 ]

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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3356484578472747 9.9844e-08  
a 2.674241732125713 2.2049e-08 au
q 1.776636618826893 2.758e-07 au
i 6.468298995782656 7.2508e-06 deg
node 253.8396412767041 9.6197e-05 deg
peri 108.5142189969927 0.00010279 deg
M 338.6362634594164 2.2993e-05 deg
tp 2459295.292533856027
(2021-Mar-21.79253386)
0.00010282 TDB
period 1597.347548418956
4.37
1.9755e-05
5.409e-08
d
yr
n .2253736203848221 2.7873e-09 deg/d
Q 3.571846845424533 2.945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6139 days (16.81 yr)  
   first obs. used      2003-09-21  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:19:45  

Additional Information
 Earth MOID = .785908 au 
 Jupiter MOID = 1.97216 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 17.62   n/a E2021B25  

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 21:09 00:04 Jupiter 1.96317141825861 1.96316996855226 1.96317286800639 0.392532757837401 n/a 2418521.380985225 4.01267582583359 551.533895599493 41.1253313219769 -83.7942289350945 7097892.60884823 F 8 CATAB v2.0f-lin.ifort 2020-Nov-12 04:19:45 2020-Nov-12 04:19
1992-Aug-29 11:56 00:01 Jupiter 1.96250767192336 1.96250647521762 1.96250886863257 0.4051745816809 n/a 2448863.997226290 1.31329756416382 174.410022956054 36.2065490968112 -73.8568814288239 7801018.78155812 F 8 CATAB v2.0f-lin.ifort 2020-Nov-12 04:19:45 2020-Nov-12 04:19
2075-Sep-26 03:25 00:02 Jupiter 1.96911052325361 1.96910949484313 1.96911155166423 0.459843950543487 n/a 2479206.642133387 2.10914336629806 120.861561883149 49.7468003562726 -83.5065604934411 5888506.66720657 F 8 CATAB v2.0f-lin.ifort 2020-Nov-12 04:19:45 2020-Nov-12 04:19
2158-Oct-24 01:28 00:05 Jupiter 1.96638327789551 1.9663822229897 1.96638433280173 0.511521839548431 n/a 2509549.560765580 4.8740744383832 181.580075394115 50.8214954693721 -85.5329113513681 5770620.38676591 F 8 CATAB v2.0f-lin.ifort 2020-Nov-12 04:19:45 2020-Nov-12 04:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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