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14221 (1999 WL)
Classification: Main-belt Asteroid          SPK-ID: 2014221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09930571562823987 1.9028e-08  
a 2.251712090762744 5.5012e-09 au
q 2.02810421020079 4.3392e-08 au
i 6.076333848602126 1.0412e-06 deg
node 99.17266708813588 6.0228e-06 deg
peri 15.48010067189708 1.0964e-05 deg
M 108.1753950181157 1.0522e-05 deg
tp 2459025.653908999174
(2020-Jun-25.15390900)
3.5701e-05 TDB
period 1234.149343646398
3.38
4.5227e-06
1.238e-08
d
yr
n .2916988951566832 1.069e-09 deg/d
Q 2.475319971324699 6.0475e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2340  
   data-arc span      15128 days (41.42 yr)  
   first obs. used      1980-01-23  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46808  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:27:29  

Additional Information
 Earth MOID = 1.0457 au 
 Jupiter MOID = 2.59723 au 
 T_jup = 3.613 
[ 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 14.36   n/a MPO614063  
diameter diameter 3.465 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14221 (1999 WL)          Discovered 1999-Nov-16 by Kobayashi, T. at Oizumi
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 WL = 1980 BX = 1980 DW1 = 1992 UK4 = 1996 WN3 = 1998 MP35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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