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 ]  
72517 (2001 DK81)
Classification: Main-belt Asteroid          SPK-ID: 2072517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05377243135499296 4.7368e-08  
a 2.811382710002082 1.7438e-08 au
q 2.660207826215881 1.3679e-07 au
i 7.186941255504393 3.5848e-06 deg
node 97.66404319553087 4.6781e-05 deg
peri 302.3403993044693 6.6483e-05 deg
M 204.3197838916821 4.9317e-05 deg
tp 2459945.076467773258
(2022-Dec-31.57646777)
0.00023879 TDB
period 1721.782864252147
4.71
1.6019e-05
4.386e-08
d
yr
n .2090855981171384 1.9453e-09 deg/d
Q 2.962557593788283 1.8375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      9290 days (25.43 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:30  

Additional Information
 Earth MOID = 1.67638 au 
 Jupiter MOID = 2.28195 au 
 T_jup = 3.307 
[ 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 14.86   n/a MPCxxxxx  

72517 (2001 DK81)          Discovered 2001-Feb-26 by Kobayashi, T. at Oizumi
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DK81 = 2000 AB234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 05:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin