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185956 (2001 DN66)
Classification: Main-belt Asteroid          SPK-ID: 2185956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .09042116919849762 4.3913e-08  
a 2.243194836678057 1.6209e-08 au
q 2.040362536805594 1.0206e-07 au
i 4.879298151883626 5.0111e-06 deg
node 323.4892961285406 5.3971e-05 deg
peri 148.7546368277776 6.5159e-05 deg
M 300.6413376901551 4.0923e-05 deg
tp 2459202.839431898943
(2020-Dec-19.33943190)
0.00014107 TDB
period 1227.153588862774
3.36
1.3301e-05
3.642e-08
d
yr
n .2933618116487104 3.1798e-09 deg/d
Q 2.44602713655052 1.7675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7352 days (20.13 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:32:30  

Additional Information
 Earth MOID = 1.05854 au 
 Jupiter MOID = 2.61978 au 
 T_jup = 3.623 
[ 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 16.6   n/a MPO454280  

185956 (2001 DN66)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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