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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472889538851273 4.4097e-08  
a 3.13777850128055 2.0676e-08 au
q 2.675618388303695 1.3999e-07 au
i 4.761611291374708 4.796e-06 deg
node 202.6281644207282 5.4443e-05 deg
peri 136.4426770174812 5.6438e-05 deg
M 191.4960268517184 1.7304e-05 deg
tp 2460150.753540211312
(2023-Jul-25.25354021)
0.00010225 TDB
period 2030.167408426837
5.56
2.0067e-05
5.494e-08
d
yr
n .1773252779577235 1.7527e-09 deg/d
Q 3.599938614257405 2.3722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      17344 days (47.49 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:20  

Additional Information
 Earth MOID = 1.66775 au 
 Jupiter MOID = 1.82746 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 14.78   n/a E2021B55  
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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