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346829 (2009 DT4)
Classification: Main-belt Asteroid          SPK-ID: 2346829
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721581223313028 6.7708e-08  
a 3.074090066376548 2.9701e-08 au
q 2.544860492671852 2.028e-07 au
i 12.63485599695862 7.6422e-06 deg
node 344.1100349274811 2.8728e-05 deg
peri 175.4145726436159 3.6206e-05 deg
M 34.90470123320122 1.9293e-05 deg
tp 2458809.622502546258
(2019-Nov-22.12250255)
0.00010561 TDB
period 1968.671744939182
5.39
2.8531e-05
7.811e-08
d
yr
n .1828644114619126 2.6502e-09 deg/d
Q 3.603319640081245 3.4814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5886 days (16.11 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:38:51  

Additional Information
 Earth MOID = 1.5538 au 
 Jupiter MOID = 1.38443 au 
 T_jup = 3.170 
[ 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 15.4   n/a MPO423298  

346829 (2009 DT4)          Discovered 2009-Feb-19 by Lowe, A. at Mayhill
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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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
1904-Jul-15 16:46 00:05 Jupiter 1.65282533864713 1.65282129453667 1.65282938421742 2.97456069474772 2.79697558055507 2416677.198405595 4.86146350241714 2635.73033021484 47.739781159707 -85.2968784548614 1301831.19514136 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
1914-Apr-25 14:33 00:04 Jupiter 1.71490244187124 1.71489872468809 1.71490615978969 3.10103359545503 2.93744307302349 2420248.106065220 4.35828137091598 1901.95185790862 42.0289675327524 84.2131137411384 1768786.2736519 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
1963-Nov-16 18:17 00:03 Jupiter 1.658206126738 1.65820384276744 1.65820841117475 2.9101046668244 2.72893681019951 2438350.261767765 2.60491215934868 1630.28232181621 46.712742069768 -85.8159793714731 1291400.38624569 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
1973-Aug-27 14:41 00:02 Jupiter 1.7067705953801 1.70676886280491 1.70677232807645 3.15227734391015 2.99070366033006 2441922.111772943 1.97613079668173 885.525088070251 39.3071840911103 84.8021595896385 1829501.3974569 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
2023-Mar-29 21:18 < 00:01 Jupiter 1.67501034434141 1.67500930514649 1.67501138366181 2.8215163019591 2.63620756390641 2460033.387791497 0.736382713382875 1307.1426473125 37.0967664787341 -87.8378608737449 1369473.18376839 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
2033-Jan-07 02:13 00:01 Jupiter 1.68752885742498 1.6875273680473 1.68753034688487 3.20508580543649 3.04445621576064 2463604.592535705 1.09244416603165 774.209161783271 36.955819531976 85.4057766791782 1727579.301094 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
2082-Aug-17 04:56 00:04 Jupiter 1.69968823005874 1.69968531936777 1.69969114571287 2.70846547365139 2.51775800253909 2481723.705406187 3.51142425478717 5192.95662180037 46.7711527331401 -88.1404111802458 1201590.87540567 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
2092-May-24 05:04 00:04 Jupiter 1.6621655851843 1.66216212350006 1.66216904750091 3.25291175447268 3.09228967231818 2485291.711411544 3.49422702018964 1738.6948097667 39.4927944622424 84.4288527294249 1657330.48673767 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
2142-Jan-07 15:24 00:06 Jupiter 1.72602846165976 1.72602406503655 1.72603289235157 2.57866173080242 2.38076172536486 2503416.141573958 5.55974825051038 13125.1866776592 47.3859843674757 -88.8096845729024 1133288.83807616 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
2151-Oct-09 21:30 00:05 Jupiter 1.63727977792468 1.6372751993867 1.63728435756869 3.29160447594541 3.13049350096158 2506978.395748993 4.89235842646375 2238.36989275745 38.2166218178125 84.2180618500177 1627290.64804787 T 16 CATAB v2.0f-lin.ifort 2020-May-21 22:38:53 2020-May-21 22:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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