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118101 (2228 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118101
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08522972683070677 3.6488e-08  
a 2.321319415777756 1.0388e-08 au
q 2.123473996084202 8.4993e-08 au
i 6.55613506659973 4.1165e-06 deg
node 230.1624440822938 4.3649e-05 deg
peri 186.6856986982889 5.2546e-05 deg
M 43.81886931059247 2.9327e-05 deg
tp 2459043.261298418790
(2020-Jul-12.76129842)
0.00010512 TDB
period 1291.816367236847
3.54
8.6717e-06
2.374e-08
d
yr
n .2786773794870151 1.8707e-09 deg/d
Q 2.51916483547131 1.1274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      15857 days (43.41 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:42  

Additional Information
 Earth MOID = 1.13447 au 
 Jupiter MOID = 2.74908 au 
 T_jup = 3.564 
[ 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 16.5   n/a MPO432684  

118101 (2228 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
 2228 T-3 = 2002 VE31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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