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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535835009792254 4.052e-08  
a 2.695933893149178 1.5525e-08 au
q 2.281882927430775 1.1211e-07 au
i 12.09932470296089 6.7364e-06 deg
node 332.7793095734218 1.8574e-05 deg
peri 293.7332895583143 2.7716e-05 deg
M 36.17476024803896 2.0034e-05 deg
tp 2459038.032893598846
(2020-Jul-07.53289360)
8.9937e-05 TDB
period 1616.822278942019
4.43
1.3966e-05
3.824e-08
d
yr
n .2226589803274908 1.9234e-09 deg/d
Q 3.109984858867582 1.791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1280  
   data-arc span      9533 days (26.10 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:59  

Additional Information
 Earth MOID = 1.29571 au 
 Jupiter MOID = 2.15687 au 
 T_jup = 3.321 
[ 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 14.09   n/a E2021B10  
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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