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118098 (2171 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2583318672185212 4.1228e-08  
a 2.53276845502937 1.2077e-08 au
q 1.878473650809463 1.0542e-07 au
i 6.799871074742782 5.6468e-06 deg
node 223.3213102489163 5.4993e-05 deg
peri 204.1317950149128 5.8756e-05 deg
M 236.4844885894024 2.3005e-05 deg
tp 2459705.638720423829
(2022-May-06.13872042)
9.6209e-05 TDB
period 1472.284227914193
4.03
1.0531e-05
2.883e-08
d
yr
n .2445180035039955 1.7489e-09 deg/d
Q 3.187063259249276 1.5197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      15625 days (42.78 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:14:06  

Additional Information
 Earth MOID = .893881 au 
 Jupiter MOID = 2.14815 au 
 T_jup = 3.393 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.50   n/a E2021B55  

118098 (2171 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

Alternate Designations
 2171 T-3 = 2001 SE119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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