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118157 (5157 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118157
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 .09139565847328471 3.4893e-08  
a 2.65675942048725 1.3264e-08 au
q 2.413943143846716 9.7344e-08 au
i 12.34982471097491 4.3528e-06 deg
node 151.0698599704119 1.5334e-05 deg
peri 253.3993514560381 2.8171e-05 deg
M 328.9324521138842 2.3366e-05 deg
tp 2459336.999558384921
(2021-May-02.49955838)
0.00010288 TDB
period 1581.709673344782
4.33
1.1845e-05
3.243e-08
d
yr
n .2276018197693143 1.7044e-09 deg/d
Q 2.899575697127785 1.4476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      15795 days (43.24 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:58  

Additional Information
 Earth MOID = 1.45308 au 
 Jupiter MOID = 2.4399 au 
 T_jup = 3.349 
[ 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 15.79   n/a E2021B55  

118157 (5157 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
 5157 T-3 = 2003 SD270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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