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 ]  
(2021 DK1)
Classification: Aten [NEO]          SPK-ID: 54123428
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .374782713769046 0.00025984  
a .8497049970528656 0.0001156 au
q .5312502523542734 0.00014857 au
i 26.73285397209088 0.037283 deg
node 149.7424536724689 0.0024143 deg
peri 141.86300456806 0.025058 deg
M 174.492610691145 0.085142 deg
tp 2459061.832327845090
(2020-Jul-31.33232785)
0.095957 TDB
period 286.0886875268747
0.78
0.058381
0.0001598
d
yr
n 1.258351048802593 0.00025679 deg/d
Q 1.168159741751458 0.00015892 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      6 days  
   first obs. used      2021-02-18  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .36271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:10  

Additional Information
 Earth MOID = .0368451 au 
 Jupiter MOID = 4.10832 au 
 T_jup = 6.793 
[ 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 23.63   .5058 MPO606213 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-May-08 08:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin