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72532 (2001 DD99)
Classification: Main-belt Asteroid          SPK-ID: 2072532
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
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 
[ 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 15.81   n/a E2021B10  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2006-Jan-31 20:42 00:01 Hygie 0.0469882333550349 0.0469871160739494 0.0469893506523027 3.09765848408457 3.09765821863637 2453767.362517565 1.49066584982422 77.1004642736719 32.493889891193 -49.8620089151842 174990.966667795 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 13:02:38 2021-Apr-13 13:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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