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 ]  
(2020 DA4)
Classification: Apollo [NEO]          SPK-ID: 54005703
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4310840397174671 0.0002194  
a 1.616218297316592 0.00056997 au
q .919492384644069 3.0327e-05 au
i .8689747290184137 0.00018286 deg
node 184.9003950037801 0.0052016 deg
peri 19.84805547055783 0.0037382 deg
M 122.6382743533733 0.063828 deg
tp 2458944.834583425500
(2020-Apr-05.33458343)		 0.0021825 TDB
period 750.4961273477693
2.05		 0.397
0.001087		 d
yr
n .4796826884000444 0.00025375 deg/d
Q 2.312944209989114 0.00081568 au
   Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6 days  
   first obs. used      2020-02-27  
   last obs. used      2020-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-04 05:53:00  

Additional Information
 Earth MOID = .00539176 au 
 Jupiter MOID = 2.64552 au 
 T_jup = 4.225 
[ 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 25.7   .42167 3 autocmod 2.8

[ 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 2021-Mar-05 17:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin