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 ]  
(2011 DW4)
Classification: Apollo [NEO]          SPK-ID: 3557878
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2455617.5 (2011-Feb-25.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3581255998465501 0.012145  
a 1.571340151148103 0.029139 au
q 1.00860301695522 0.00038322 au
i 1.195933833092979 0.013131 deg
node 156.5713584234298 0.0065592 deg
peri 6.113211345722572 0.9915 deg
M 356.6873234280684 0.3319 deg
tp 2455624.120339696343
(2011-Mar-03.62033970)
0.84717 TDB
period 719.4551713491879
1.97
20.012
0.05479
d
yr
n .5003786397488744 0.013919 deg/d
Q 2.134077285340986 0.039574 au
  Orbit Determination Parameters
   # obs. used (total)      14  
   first obs. used      2011-02-25  
   last obs. used      2011-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .37857  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:54:22  

Additional Information
 Earth MOID = .0171127 au 
 Jupiter MOID = 2.84324 au 
 T_jup = 4.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.3   n/a MPO193828  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 11:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin