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 ]  
344860 (2004 HT29)
Classification: Main-belt Asteroid          SPK-ID: 2344860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294597686384571 5.5054e-08  
a 2.263205984310686 1.253e-08 au
q 1.970211861200653 1.2238e-07 au
i 2.410451641617147 5.3295e-06 deg
node 285.9814937547803 0.00016228 deg
peri 307.4912359816194 0.0001643 deg
M .6514924468425363 2.4342e-05 deg
tp 2459394.249435649090
(2021-Jun-28.74943565)
8.409e-05 TDB
period 1243.610989281969
3.40
1.0328e-05
2.828e-08
d
yr
n .289479590565419 2.404e-09 deg/d
Q 2.556200107420719 1.4152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      7821 days (21.41 yr)  
   first obs. used      1999-12-13  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:34:31  

Additional Information
 Earth MOID = .960475 au 
 Jupiter MOID = 2.44008 au 
 T_jup = 3.606 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO534588  

344860 (2004 HT29)          Discovered 2004-Apr-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2004 HT29 = 2005 TD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 08:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin