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103972 (2000 DD81)
Classification: Main-belt Asteroid          SPK-ID: 2103972
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08360055234372815 3.752e-08  
a 2.234550673173251 8.3144e-09 au
q 2.047741002655917 8.6014e-08 au
i 5.972541845318529 3.1686e-06 deg
node 104.5949022393151 3.8943e-05 deg
peri 132.6989887001841 4.4956e-05 deg
M 1.38501087525552 2.3599e-05 deg
tp 2459195.806093643931
(2020-Dec-12.30609364)
7.9973e-05 TDB
period 1220.067162196795
3.34
6.8095e-06
1.864e-08
d
yr
n .2950657235555796 1.6468e-09 deg/d
Q 2.421360343690584 9.0095e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      8970 days (24.56 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:45:24  

Additional Information
 Earth MOID = 1.03894 au 
 Jupiter MOID = 2.57874 au 
 T_jup = 3.628 
[ 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 15.68   n/a E2021B55  
diameter diameter 1.921 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103972 (2000 DD81)          Discovered 2000-Feb-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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