Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
346829 (2009 DT4)
Classification: Main-belt Asteroid          SPK-ID: 2346829
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721581212389242 6.7697e-08  
a 3.074090066360982 2.9445e-08 au
q 2.544860496017036 2.027e-07 au
i 12.63485506774993 7.5851e-06 deg
node 344.1100376262891 2.8552e-05 deg
peri 175.4145697142317 3.6035e-05 deg
M 34.90470152052157 1.9192e-05 deg
tp 2458809.622500976487
(2019-Nov-22.12250098)
0.00010509 TDB
period 1968.671744924229
5.39
2.8285e-05
7.744e-08
d
yr
n .1828644114633015 2.6273e-09 deg/d
Q 3.603319636704929 3.4514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5906 days (16.17 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57583  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:56:20  

Additional Information
 Earth MOID = 1.5538 au 
 Jupiter MOID = 1.38443 au 
 T_jup = 3.170 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457750.5 (2016-Dec-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730866909465163 6.7662e-08  
q 2.542716597592943 2.0283e-07 au
tp 2456839.231547144485
(2014-Jun-30.73154714)
0.00010983 TDB
node 344.1346644976277 2.8544e-05 deg
peri 175.3190167205875 3.5954e-05 deg
i 12.63702850480859 7.5863e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5906 days (16.17 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57583  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:56:20  

Additional Information
 Jupiter MOID = 1.38443 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.578212531545155E-15 -1.363295930930855E-14 2.015105201557164E-12 3.922922632381644E-14 2.687714262031495E-13 -1.204596715384949E-14
q -1.363295930930855E-14 4.114082092251939E-14 -7.024820386241103E-12 -1.179525168770652E-13 -9.471898839656177E-13 3.774685713177872E-14
tp 2.015105201557164E-12 -7.024820386241103E-12 1.206214046091675E-8 3.697447634854016E-11 2.426713233174947E-9 -2.137598761710393E-11
node 3.922922632381644E-14 -1.179525168770652E-13 3.697447634854016E-11 8.1473786871299E-10 -7.87611929588639E-10 1.198561480495402E-10
peri 2.687714262031495E-13 -9.471898839656177E-13 2.426713233174947E-9 -7.87611929588639E-10 1.292683034968178E-9 -1.21210458900486E-10
i -1.204596715384949E-14 3.774685713177872E-14 -2.137598761710393E-11 1.198561480495402E-10 -1.21210458900486E-10 5.755268994253497E-11

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 08:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin