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48664 (1995 WG9)
Classification: Main-belt Asteroid          SPK-ID: 2048664
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08948489733424501 4.4916e-08  
a 2.276929698889399 1.0053e-08 au
q 2.073178878546988 1.0363e-07 au
i 5.403553844863843 4.8546e-06 deg
node 27.40063237150688 3.8914e-05 deg
peri 153.5160164884112 4.4272e-05 deg
M 163.5824739831876 2.3719e-05 deg
tp 2458030.260718401318
(2017-Oct-03.76071840)
8.085e-05 TDB
period 1254.939703361034
3.44
8.3114e-06
2.276e-08
d
yr
n .2868663721737645 1.8999e-09 deg/d
Q 2.48068051923181 1.0953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      8775 days (24.02 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55112  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:13:48  

Additional Information
 Earth MOID = 1.07722 au 
 Jupiter MOID = 2.47807 au 
 T_jup = 3.597 
[ 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 15.9   n/a MPO452833  
diameter diameter 2.285 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48664 (1995 WG9)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WG9 = 1997 GW33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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