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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939752645366038 4.4945e-08  
a 2.774096439802487 1.5646e-08 au
q 2.235990349041749 1.2386e-07 au
i 11.99181739188535 4.2224e-06 deg
node 37.90817021896673 2.0642e-05 deg
peri 301.6127168974693 2.3495e-05 deg
M 157.1433496811668 1.3113e-05 deg
tp 2458263.827827351612
(2018-May-25.32782735)		 6.0261e-05 TDB
period 1687.643687699774
4.62		 1.4278e-05
3.909e-08		 d
yr
n .2133151699163898 1.8047e-09 deg/d
Q 3.312202530563225 1.8681e-08 au
   Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:35:11  

Additional Information
 Earth MOID = 1.25564 au 
 Jupiter MOID = 2.20953 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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