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48540 (1993 TW8)
Classification: Main-belt Asteroid          SPK-ID: 2048540
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2547610294487999 6.7907e-08  
a 2.663811705280255 8.1226e-09 au
q 1.985176292985295 1.8163e-07 au
i 14.50272753438266 6.5772e-06 deg
node 17.7415337705376 1.242e-05 deg
peri 355.8716731255089 1.4798e-05 deg
M 324.1352122479087 5.7885e-06 deg
tp 2458758.704734256253
(2019-Oct-02.20473426)
2.5479e-05 TDB
period 1588.011749182321
4.35
7.2634e-06
1.989e-08
d
yr
n .226698574607755 1.0369e-09 deg/d
Q 3.342447117575216 1.0192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1361  
   data-arc span      16269 days (44.54 yr)  
   first obs. used      1975-05-20  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:12:47  

Additional Information
 Earth MOID = .985745 au 
 Jupiter MOID = 2.11737 au 
 T_jup = 3.293 
[ 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 13.9   n/a MPO502479  
diameter diameter 6.017 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.147   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48540 (1993 TW8)          Discovered 1993-Oct-11 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TW8 = 1999 CG122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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