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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08923689574160684 4.4667e-08  
a 2.277476597796065 9.9992e-09 au
q 2.074241656084588 1.0319e-07 au
i 5.402666971186299 4.8223e-06 deg
node 27.39810417816646 3.8234e-05 deg
peri 153.4250598315795 4.3703e-05 deg
M 278.397956355277 2.4162e-05 deg
tp 2459285.062616920866
(2021-Mar-11.56261692)
8.527e-05 TDB
period 1255.391869075284
3.44
8.2677e-06
2.264e-08
d
yr
n .2867630489475563 1.8885e-09 deg/d
Q 2.480711539507541 1.0892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:22  

Additional Information
 Earth MOID = 1.07791 au 
 Jupiter MOID = 2.47676 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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