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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0894848976218489 4.5312e-08  
a 2.276929698925831 1.0192e-08 au
q 2.073178877925306 1.0433e-07 au
i 5.403553336669892 4.888e-06 deg
node 27.40064136501854 4.0187e-05 deg
peri 153.5160075750149 4.5417e-05 deg
M 163.5824739194428 2.3738e-05 deg
tp 2458030.260718609843
(2017-Oct-03.76071861)
8.0945e-05 TDB
period 1254.939703391154
3.44
8.4264e-06
2.307e-08
d
yr
n .2868663721668794 1.9262e-09 deg/d
Q 2.480680519926357 1.1105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      8750 days (23.96 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:07  

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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