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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305651337595662 3.8026e-08  
a 2.333558558886682 1.0038e-08 au
q 2.028877173509862 8.8885e-08 au
i 2.835733452855179 4.435e-06 deg
node 88.6692173728312 9.5444e-05 deg
peri 25.47616582351302 9.7828e-05 deg
M 201.0295149445184 2.0478e-05 deg
tp 2459775.463771914790
(2022-Jul-14.96377191)		 7.5001e-05 TDB
period 1302.046463638108
3.56		 8.4016e-06
2.3e-08		 d
yr
n .2764878290088877 1.7841e-09 deg/d
Q 2.638239944263503 1.1349e-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 = 1.04569 au 
 Jupiter MOID = 2.4459 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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