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118058 (4175 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118058
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898118916780755 3.7622e-08  
a 2.235081384885804 6.8533e-09 au
q 1.810836359166177 8.2642e-08 au
i 8.545390354238068 4.4333e-06 deg
node 14.36364879264516 2.2992e-05 deg
peri 311.5390603917555 2.5953e-05 deg
M 74.34029624937327 1.3372e-05 deg
tp 2458948.465365302228
(2020-Apr-08.96536530)
4.4785e-05 TDB
period 1220.501841784939
3.34
5.6135e-06
1.537e-08
d
yr
n .2949606364161757 1.3566e-09 deg/d
Q 2.659326410605432 8.1542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      17307 days (47.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:30  

Additional Information
 Earth MOID = .811239 au 
 Jupiter MOID = 2.71406 au 
 T_jup = 3.601 
[ 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 16.34   n/a E2021B55  

118058 (4175 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 4175 T-2 = 2000 WU21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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