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JPL Small-Body Database Browser
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108925 (2001 PD21)
Classification: Main-belt Asteroid          SPK-ID: 2108925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975248530955729 5.7419e-08  
a 2.604261057385826 1.5124e-08 au
q 2.089854774603169 1.539e-07 au
i 2.820388625253408 5.5255e-06 deg
node 239.6828692627956 0.00010114 deg
peri 149.978098660279 0.0001021 deg
M 123.6071259220649 1.1522e-05 deg
tp 2458473.432533799237
(2018-Dec-20.93253380)
4.8352e-05 TDB
period 1535.059458885158
4.20
1.3372e-05
3.661e-08
d
yr
n .2345186031174657 2.043e-09 deg/d
Q 3.118667340168483 1.8112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      7762 days (21.25 yr)  
   first obs. used      1997-09-13  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:39:57  

Additional Information
 Earth MOID = 1.09577 au 
 Jupiter MOID = 2.32944 au 
 T_jup = 3.383 
[ 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 15.9   n/a MPO459508  

108925 (2001 PD21)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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