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118158 (5161 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118158
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381397930456415 7.6909e-08  
a 2.975808575959833 2.2476e-08 au
q 2.564730995133296 2.2865e-07 au
i 10.83124754152257 5.5755e-06 deg
node 83.21424251565089 3.3156e-05 deg
peri 269.0586264844252 3.834e-05 deg
M 132.1304168814966 2.0849e-05 deg
tp 2458312.313390730443
(2018-Jul-12.81339073)
0.00010736 TDB
period 1875.020038415808
5.13
2.1243e-05
5.816e-08
d
yr
n .1919979480881504 2.1752e-09 deg/d
Q 3.386886156786368 2.5581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      15455 days (42.31 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:54:48  

Additional Information
 Earth MOID = 1.58827 au 
 Jupiter MOID = 2.12258 au 
 T_jup = 3.220 
[ 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 14.8   n/a MPO320355  
diameter diameter 4.255 km 0.830 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118158 (5161 T-3)          Discovered 1977-Oct-16 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
 5161 T-3 = 2003 UG265 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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