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118077 (5165 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118077
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361682259611338 4.9637e-08  
a 3.090173798118353 2.8862e-08 au
q 2.669390314116998 1.5897e-07 au
i 8.890171049345259 5.4375e-06 deg
node 276.1353559430421 4.0195e-05 deg
peri 26.41928228485078 4.6098e-05 deg
M 260.0196618678602 2.4409e-05 deg
tp 2459551.542233799016
(2021-Dec-03.04223380)
0.00013805 TDB
period 1984.14216108633
5.43
2.7798e-05
7.611e-08
d
yr
n .1814386121420342 2.5419e-09 deg/d
Q 3.510957282119708 3.2792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      17021 days (46.60 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:16:59  

Additional Information
 Earth MOID = 1.65726 au 
 Jupiter MOID = 1.71018 au 
 T_jup = 3.192 
[ 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 MPO469221  
diameter diameter 4.688 km 1.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118077 (5165 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
 5165 T-2 = 2000 RB17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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