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100187 (1994 BT4)
Classification: Main-belt Asteroid          SPK-ID: 2100187
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308107766236832 3.8052e-08  
a 2.332976165736287 9.8153e-09 au
q 2.027797741651781 8.8939e-08 au
i 2.837034709369042 4.4378e-06 deg
node 88.68045942719316 9.5355e-05 deg
peri 25.2071435862277 9.773e-05 deg
M 146.0501823542949 2.0329e-05 deg
tp 2458472.464060691127
(2018-Dec-19.96406069)		 7.2725e-05 TDB
period 1301.559060638888
3.56		 8.2139e-06
2.249e-08		 d
yr
n .2765913671434082 1.7455e-09 deg/d
Q 2.638154589820793 1.1099e-08 au
   Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      9219 days (25.24 yr)  
   first obs. used      1994-01-04  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:02:07  

Additional Information
 Earth MOID = 1.04472 au 
 Jupiter MOID = 2.4474 au 
 T_jup = 3.556 
[ 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 17.2   n/a MPO417504  

100187 (1994 BT4)          Discovered 1994-Jan-29 by Vagnozzi, A. at Stroncone
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 BT4 = 1998 HU41 = 2000 YE130 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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