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43522 (2001 DX20)
Classification: Main-belt Asteroid          SPK-ID: 2043522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04501700330310276 4.4918e-08  
a 3.010417320821439 2.4838e-08 au
q 2.874897354346303 1.2742e-07 au
i 23.10097641454989 5.1969e-06 deg
node 145.7988113944222 1.4105e-05 deg
peri 155.2718622588302 7.3511e-05 deg
M 157.928040316469 7.493e-05 deg
tp 2458363.558257976245
(2018-Sep-02.05825798)
0.00039464 TDB
period 1907.824769589898
5.22
2.3611e-05
6.464e-08
d
yr
n .1886965751458321 2.3353e-09 deg/d
Q 3.145937287296575 2.5956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      15833 days (43.35 yr)  
   first obs. used      1977-10-06  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:37  

Additional Information
 Earth MOID = 1.86726 au 
 Jupiter MOID = 2.10991 au 
 T_jup = 3.126 
[ 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 14.16   n/a MPCxxxxx  
diameter diameter 9.105 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43522 (2001 DX20)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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