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385251 (2001 DD82)
Classification: Main-belt Asteroid          SPK-ID: 2385251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09227100474674227 6.2367e-08  
a 2.204169679614644 1.4219e-08 au
q 2.000788728644296 1.4385e-07 au
i 4.471673963509117 6.5434e-06 deg
node 336.769857702126 8.2891e-05 deg
peri 97.91963809090704 0.00010053 deg
M 84.41580713879529 5.4578e-05 deg
tp 2458920.223142565668
(2020-Mar-11.72314257)
0.00017969 TDB
period 1195.269844550104
3.27
1.1566e-05
3.167e-08
d
yr
n .3011872186363932 2.9144e-09 deg/d
Q 2.407550630584993 1.5531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      7380 days (20.21 yr)  
   first obs. used      2001-02-16  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:45  

Additional Information
 Earth MOID = 1.02113 au 
 Jupiter MOID = 2.76952 au 
 T_jup = 3.653 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO528349  

385251 (2001 DD82)          Discovered 2001-Feb-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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