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118139 (4041 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118139
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067161262343038 5.4816e-08  
a 3.176834293813759 2.9023e-08 au
q 2.520131414908289 1.7215e-07 au
i 8.596710122759681 5.6753e-06 deg
node 179.285486870275 3.7353e-05 deg
peri 244.1441531834721 3.9102e-05 deg
M 201.0503059577219 1.3771e-05 deg
tp 2460113.661232933919
(2023-Jun-18.16123293)		 8.617e-05 TDB
period 2068.189220727735
5.66		 2.8342e-05
7.76e-08		 d
yr
n .1740653110421524 2.3854e-09 deg/d
Q 3.833537172719229 3.5023e-08 au
   Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      15597 days (42.70 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:53  

Additional Information
 Earth MOID = 1.54678 au 
 Jupiter MOID = 1.62081 au 
 T_jup = 3.150 
[ 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 15.80   n/a E2021B55  

118139 (4041 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

[ show close-approach data ]
Alternate Designations
 4041 T-3 = 2000 WT175 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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