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118020 (1602 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118020
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470844622858969 4.4659e-08  
a 3.138300979894199 2.0878e-08 au
q 2.676705667775157 1.4138e-07 au
i 4.760920428234265 4.8185e-06 deg
node 202.6380334476582 5.6524e-05 deg
peri 136.3980312400183 5.8547e-05 deg
M 156.0843631260574 1.7281e-05 deg
tp 2458120.065177120566
(2018-Jan-01.56517712)
9.4125e-05 TDB
period 2030.674501203011
5.56
2.0264e-05
5.548e-08
d
yr
n .1772809969233026 1.7691e-09 deg/d
Q 3.59989629201324 2.3949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      17016 days (46.59 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:16:34  

Additional Information
 Earth MOID = 1.67068 au 
 Jupiter MOID = 1.82706 au 
 T_jup = 3.189 
[ 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 14.7   n/a MPO325296  
diameter diameter 6.477 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118020 (1602 T-2)          Discovered 1973-Sep-24 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
 1602 T-2 = 2001 RT72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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