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118117 (3168 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118117
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162018877559034 3.3364e-08  
a 2.299730114460602 6.7821e-09 au
q 1.80252412238512 7.6645e-08 au
i 4.571425348145745 4.8876e-06 deg
node 27.77094071780724 5.2427e-05 deg
peri 330.0510291983499 5.4015e-05 deg
M 95.78003213829399 1.2633e-05 deg
tp 2458661.588572369951
(2019-Jun-27.08857237)		 4.4296e-05 TDB
period 1273.836636123211
3.49		 5.635e-06
1.543e-08		 d
yr
n .2826108072190657 1.2502e-09 deg/d
Q 2.796936106536084 8.2484e-09 au
   Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      15451 days (42.30 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:54:28  

Additional Information
 Earth MOID = .80067 au 
 Jupiter MOID = 2.65276 au 
 T_jup = 3.557 
[ 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 16.2   n/a MPO449690  

118117 (3168 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
 3168 T-3 = 1998 TR26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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