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20090 (1994 PN16)
Classification: Main-belt Asteroid          SPK-ID: 2020090
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15286998317201 4.2086e-08  
a 2.694481598988961 1.6395e-08 au
q 2.282576242294228 1.1482e-07 au
i 12.09563688023564 7.3726e-06 deg
node 332.8004970924828 1.9059e-05 deg
peri 293.8092501457037 2.9737e-05 deg
M 262.4226210143523 2.2898e-05 deg
tp 2459038.382821323886
(2020-Jul-07.88282132)
0.00010327 TDB
period 1615.51598654628
4.42
1.4744e-05
4.037e-08
d
yr
n .2228390204727244 2.0338e-09 deg/d
Q 3.106386955683694 1.8901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      9027 days (24.71 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:35:40  

Additional Information
 Earth MOID = 1.2976 au 
 Jupiter MOID = 2.16009 au 
 T_jup = 3.322 
[ 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 14.1   n/a MPO384927  
diameter diameter 4.005 km 1.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20090 (1994 PN16)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PN16 = 1999 TP208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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