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187741 (2100 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2187741
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535037203426362 4.7233e-08  
a 2.562989267761844 1.8538e-08 au
q 2.169560879962152 1.1929e-07 au
i 20.88346569596533 8.7674e-06 deg
node 210.4069305026968 1.1645e-05 deg
peri 239.6187963050198 5.1177e-05 deg
M 132.2017300472469 4.4114e-05 deg
tp 2458650.131909674538
(2019-Jun-15.63190967)
0.00018234 TDB
period 1498.713461967229
4.10
1.626e-05
4.452e-08
d
yr
n .2402060227893462 2.6061e-09 deg/d
Q 2.956417655561536 2.1384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      15566 days (42.62 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:47:48  

Additional Information
 Earth MOID = 1.24622 au 
 Jupiter MOID = 2.55759 au 
 T_jup = 3.326 
[ 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 16.21   n/a E2021B55  

187741 (2100 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2100 T-3 = 2006 WF108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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