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118080 (5197 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118080
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170963874096744 6.2089e-08  
a 3.046963273644518 2.7649e-08 au
q 2.69017488173079 2.0115e-07 au
i 8.696018127993137 5.0624e-06 deg
node 281.00620720 3.523e-05 deg
peri 56.78475938779137 3.9731e-05 deg
M 303.0585640179444 2.0489e-05 deg
tp 2459307.773544812444
(2021-Apr-03.27354481)
0.0001132 TDB
period 1942.670995640854
5.32
2.6442e-05
7.239e-08
d
yr
n .1853118725753365 2.5223e-09 deg/d
Q 3.403751665558247 3.0886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      16662 days (45.62 yr)  
   first obs. used      1973-09-25  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:23  

Additional Information
 Earth MOID = 1.69242 au 
 Jupiter MOID = 1.96536 au 
 T_jup = 3.210 
[ 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 15.1   n/a MPO436567  
diameter diameter 3.402 km 0.874 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118080 (5197 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 5197 T-2 = 2000 WS70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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