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186711 (2004 BU87)
Classification: Main-belt Asteroid          SPK-ID: 2186711
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878941227731556 4.1369e-08  
a 2.35942194628813 1.3875e-08 au
q 1.91610042943859 9.7182e-08 au
i 4.948739200671866 4.195e-06 deg
node 105.2087996663165 6.028e-05 deg
peri 17.73854879982987 6.2568e-05 deg
M 250.4220783735708 2.017e-05 deg
tp 2459603.427961880811
(2022-Jan-23.92796188)
7.668e-05 TDB
period 1323.752669553336
3.62
1.1677e-05
3.197e-08
d
yr
n .2719541257820255 2.399e-09 deg/d
Q 2.80274346313767 1.6482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:23  

Additional Information
 Earth MOID = .932472 au 
 Jupiter MOID = 2.27354 au 
 T_jup = 3.523 
[ 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 16.80   n/a MPCxxxxx  

186711 (2004 BU87)          Discovered 2004-Jan-23 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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