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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0850552023233364 4.6348e-08  
a 2.320881508443802 1.3551e-08 au
q 2.123478462174624 1.1253e-07 au
i 6.556770316382821 4.7525e-06 deg
node 230.1648977931609 4.5895e-05 deg
peri 186.6803928340561 5.5423e-05 deg
M 348.083498122868 3.2492e-05 deg
tp 2459043.248823243914
(2020-Jul-12.74882324)
0.00011669 TDB
period 1291.450840732219
3.54
1.1311e-05
3.097e-08
d
yr
n .2787562550936041 2.4414e-09 deg/d
Q 2.51828455471298 1.4704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      15306 days (41.91 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5354  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:17:13  

Additional Information
 Earth MOID = 1.13525 au 
 Jupiter MOID = 2.74987 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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