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117464 (2005 BT8)
Classification: Main-belt Asteroid          SPK-ID: 2117464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03755002160167736 4.1426e-08  
a 3.078011275993456 3.2853e-08 au
q 2.962431886089695 1.2161e-07 au
i 10.40175153432194 4.3519e-06 deg
node 96.96514180843441 2.5357e-05 deg
peri 149.9240876886341 7.4278e-05 deg
M 184.1665558230674 7.2043e-05 deg
tp 2459963.891297362792
(2023-Jan-19.39129736)
0.00039804 TDB
period 1972.439706644296
5.40
3.1579e-05
8.646e-08
d
yr
n .1825150846372215 2.9221e-09 deg/d
Q 3.193590665897216 3.4087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7544 days (20.65 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:18:31  

Additional Information
 Earth MOID = 1.95199 au 
 Jupiter MOID = 1.87066 au 
 T_jup = 3.202 
[ 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 15.0   n/a MPO412803  

117464 (2005 BT8)          Discovered 2005-Jan-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 BT8 = 2000 EK167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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