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JPL Small-Body Database Browser
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20471 (1999 NK6)
Classification: Main-belt Asteroid          SPK-ID: 2020471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838951912889365 3.805e-08  
a 2.696913710564684 1.3476e-08 au
q 2.200964247870636 1.0516e-07 au
i 10.67337667303129 5.2574e-06 deg
node 293.8350680570014 2.6083e-05 deg
peri 105.0956356739456 3.134e-05 deg
M 93.21239570470347 1.6141e-05 deg
tp 2458181.638761043655
(2018-Mar-04.13876104)
7.1726e-05 TDB
period 1617.70379233666
4.43
1.2125e-05
3.32e-08
d
yr
n .2225376497881637 1.668e-09 deg/d
Q 3.192863173258732 1.5955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1442  
   data-arc span      12841 days (35.16 yr)  
   first obs. used      1984-03-07  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42606  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:52:40  

Additional Information
 Earth MOID = 1.23733 au 
 Jupiter MOID = 2.30615 au 
 T_jup = 3.320 
[ 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 13.7   n/a MPO474034  
diameter diameter 5.290 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20471 (1999 NK6)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NK6 = 1986 UF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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