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215239 (2001 DG15)
Classification: Main-belt Asteroid          SPK-ID: 2215239
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922166141786663 3.2051e-08  
a 2.382798415438096 1.303e-08 au
q 1.924784971752294 7.5902e-08 au
i 6.10301643480689 4.241e-06 deg
node 78.1042242916774 5.4654e-05 deg
peri 19.14424756712036 5.7277e-05 deg
M 116.722027353484 1.8625e-05 deg
tp 2458564.908193284968
(2019-Mar-22.40819329)
6.7405e-05 TDB
period 1343.474355037672
3.68
1.102e-05
3.017e-08
d
yr
n .2679619440818469 2.198e-09 deg/d
Q 2.840811859123898 1.5535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7039 days (19.27 yr)  
   first obs. used      2001-01-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54738  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:16:46  

Additional Information
 Earth MOID = .942741 au 
 Jupiter MOID = 2.34033 au 
 T_jup = 3.504 
[ 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 16.8   n/a MPO454545  
diameter diameter 3.505 km 0.973 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215239 (2001 DG15)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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