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5106 Mortensen (1987 DJ)
Classification: Main-belt Asteroid          SPK-ID: 2005106
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247682082035518 4.6452e-08  
a 3.019879125648226 1.7089e-08 au
q 2.643094218149788 1.3944e-07 au
i 10.86954481727452 4.1794e-06 deg
node 82.9172914700632 2.3598e-05 deg
peri 279.6004178621109 2.893e-05 deg
M 261.5895145993067 1.9271e-05 deg
tp 2459524.488360805331
(2021-Nov-05.98836081)
0.000105 TDB
period 1916.826333310518
5.25
1.627e-05
4.454e-08
d
yr
n .1878104415324106 1.5942e-09 deg/d
Q 3.396664033146663 1.9221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2149  
   data-arc span      12466 days (34.13 yr)  
   first obs. used      1985-12-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:29:37  

Additional Information
 Earth MOID = 1.66877 au 
 Jupiter MOID = 2.15653 au 
 T_jup = 3.208 
[ 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 12.2   n/a MPO384800  
diameter diameter 14.481 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5106 Mortensen           Discovered 1987 Feb. 19 by P. Jensen at Brorfelde.
Inger Mortensen (b. 1910) is an aunt of Brorfelde observer Karl Augustesen.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1987 DJ = 1985 YN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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