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58405 (1995 WN9)
Classification: Main-belt Asteroid          SPK-ID: 2058405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936901951717324 4.6956e-08  
a 2.774382013768722 1.669e-08 au
q 2.237011420040914 1.3096e-07 au
i 11.99260641205515 5.4766e-06 deg
node 37.92281171165109 2.0691e-05 deg
peri 301.5966390166915 2.4809e-05 deg
M 71.85526774964947 1.432e-05 deg
tp 2458263.597736721284
(2018-May-25.09773672)
6.7178e-05 TDB
period 1687.904291205281
4.62
1.5231e-05
4.17e-08
d
yr
n .2132822351810807 1.9246e-09 deg/d
Q 3.31175260749653 1.9923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      8757 days (23.98 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:05:52  

Additional Information
 Earth MOID = 1.2558 au 
 Jupiter MOID = 2.20649 au 
 T_jup = 3.277 
[ 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 14.8   n/a MPO319766  
diameter diameter 2.830 km 0.882 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58405 (1995 WN9)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WN9 = 1998 JD5 = 2000 XQ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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