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39601 (1993 TG18)
Classification: Outer Main-belt Asteroid          SPK-ID: 2039601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1372536196324029 4.0473e-08  
a 3.214173596060159 2.3451e-08 au
q 2.773016635874005 1.2678e-07 au
i 4.656418307196036 6.1242e-06 deg
node 184.8074474453584 5.283e-05 deg
peri 261.1338922281886 5.7397e-05 deg
M 183.6304557747507 2.2564e-05 deg
tp 2460031.653956225149
(2023-Mar-28.15395623)
0.00013596 TDB
period 2104.759219465681
5.76
2.3035e-05
6.307e-08
d
yr
n .1710409421992651 1.8719e-09 deg/d
Q 3.655330556246313 2.667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      9361 days (25.63 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:31:19  

Additional Information
 Earth MOID = 1.79415 au 
 Jupiter MOID = 1.59638 au 
 T_jup = 3.171 
[ 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 14.5   n/a MPO474253  
diameter diameter 7.271 km 0.286 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39601 (1993 TG18)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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