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 ]  
444004 (2004 AS1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2444004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744381417986167 7.1091e-08  
a 1.070532050753406 2.6511e-09 au
q .8837904290841194 7.4244e-08 au
i 17.21542079053936 1.899e-05 deg
node 322.5452943316975 9.0583e-06 deg
peri 262.0829285489015 2.0469e-05 deg
M 191.1411855141507 2.0653e-05 deg
tp 2459190.266336416313
(2020-Dec-06.76633642)
2.3573e-05 TDB
period 404.5739709702733
1.11
1.5029e-06
4.115e-09
d
yr
n .8898249166564687 3.3054e-09 deg/d
Q 1.257273672422693 3.1136e-09 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      4265 days (11.68 yr)  
   first obs. used      2004-01-13  
   last obs. used      2015-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:19:22  

Additional Information
 Earth MOID = .0226165 au 
 Jupiter MOID = 3.78326 au 
 T_jup = 5.714 
[ 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 20.5   n/a MPO70365  

444004 (2004 AS1)          Discovered 2004-Jan-13 by LINEAR at Socorro
Reference: Last Updated: 2015-10-05

[ 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-Sep-26 08:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin