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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
72532 (2001 DD99)
Classification: Main-belt Asteroid          SPK-ID: 2072532
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624647336008007 3.8536e-08  
a 2.442988857546219 9.5391e-09 au
q 2.046089323615248 9.0781e-08 au
i 2.700143888549714 3.2437e-06 deg
node 42.98454441346207 9.1346e-05 deg
peri 45.14749035312997 9.2161e-05 deg
M 174.773963040066 1.2734e-05 deg
tp 2458719.396763924177
(2019-Aug-23.89676392)
4.7747e-05 TDB
period 1394.699535029805
3.82
8.1688e-06
2.236e-08
d
yr
n .2581201118650309 1.5118e-09 deg/d
Q 2.83988839147719 1.1089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:35  

Additional Information
 Earth MOID = 1.06355 au 
 Jupiter MOID = 2.36173 au 
 T_jup = 3.481 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457137.5 (2015-Apr-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614302824647725 3.8642e-08  
q 2.049166318453854 9.0975e-08 au
tp 2457325.365630361890
(2015-Oct-29.86563036)
4.5938e-05 TDB
node 43.00625807675177 9.137e-05 deg
peri 45.45516087580859 9.2194e-05 deg
i 2.700288440539558 3.2415e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:35  

Additional Information
 Jupiter MOID = 2.36173 au 
 T_jup = 3.481 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.493221395150079E-15 -3.504445481217232E-15 6.049383954958542E-13 1.398352680594179E-14 1.234823981426941E-13 -8.39283478533197E-16
q -3.504445481217232E-15 8.276429481486955E-15 -1.411157667079678E-12 -3.285317855547527E-14 -2.918219308039923E-13 1.956180547068416E-15
tp 6.049383954958542E-13 -1.411157667079678E-12 2.110257083888797E-9 9.924840775402675E-12 5.828799844242889E-10 -8.154275273374999E-13
node 1.398352680594179E-14 -3.285317855547527E-14 9.924840775402675E-12 8.348389750863117E-9 -8.336629658621152E-9 2.16902463090816E-11
peri 1.234823981426941E-13 -2.918219308039923E-13 5.828799844242889E-10 -8.336629658621152E-9 8.499723491264383E-9 -2.186865973004799E-11
i -8.39283478533197E-16 1.956180547068416E-15 -8.154275273374999E-13 2.16902463090816E-11 -2.186865973004799E-11 1.050732964493236E-11

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 15.81   n/a E2021B10  

72532 (2001 DD99)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ 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 2021-Sep-27 12:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin