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180021 (2003 AP14)
Classification: Main-belt Asteroid          SPK-ID: 2180021
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925646716421582 3.5555e-08  
a 2.619148255160514 1.5608e-08 au
q 2.114792831423398 9.4866e-08 au
i 8.551726867733549 4.2376e-06 deg
node 27.87520524076901 3.5819e-05 deg
peri 4.07587933483719 3.9143e-05 deg
M 130.4456366111946 1.7742e-05 deg
tp 2458639.496454721994
(2019-Jun-04.99645472)
7.3338e-05 TDB
period 1548.240949615253
4.24
1.3839e-05
3.789e-08
d
yr
n .2325219469808379 2.0784e-09 deg/d
Q 3.12350367889763 1.8613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      6675 days (18.28 yr)  
   first obs. used      2002-12-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:24:49  

Additional Information
 Earth MOID = 1.11952 au 
 Jupiter MOID = 2.32532 au 
 T_jup = 3.364 
[ 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 15.68   n/a E2021B55  
diameter diameter 2.122 km 0.584 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180021 (2003 AP14)          Discovered 2003-Jan-02 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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