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183805 (2004 BR44)
Classification: Main-belt Asteroid          SPK-ID: 2183805
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 .09652778626695198 4.5801e-08  
a 2.270655326185167 1.1368e-08 au
q 2.051473994173249 1.0766e-07 au
i 7.392861351863472 5.7548e-06 deg
node 117.3556637609973 4.056e-05 deg
peri 305.319266898522 5.2537e-05 deg
M 344.3425319051576 3.464e-05 deg
tp 2459054.855598850155
(2020-Jul-24.35559885)
0.00012041 TDB
period 1249.75605682388
3.42
9.3853e-06
2.57e-08
d
yr
n .288056215478484 2.1632e-09 deg/d
Q 2.489836658197086 1.2465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:31:13  

Additional Information
 Earth MOID = 1.07518 au 
 Jupiter MOID = 2.74187 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457453.5 (2016-Mar-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09670541110048202 4.5867e-08  
q 2.051339881216684 1.079e-07 au
tp 2457802.206699563980
(2017-Feb-17.70669956)
0.00011661 TDB
node 117.4166637742152 4.0608e-05 deg
peri 304.5622188697729 5.25e-05 deg
i 7.388632395710564 5.7516e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:31:13  

Additional Information
 Jupiter MOID = 2.74187 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.103818344543857E-15 -4.928637088823584E-15 -7.573134914237106E-13 -8.952383487591703E-15 -1.644966452761591E-13 -2.35883948872831E-17
q -4.928637088823584E-15 1.164270443893488E-14 2.129917799152424E-12 1.904223230389726E-14 4.774443166442607E-13 5.339435883508464E-17
tp -7.573134914237106E-13 2.129917799152424E-12 1.359691655486269E-8 -2.895497180454414E-11 3.899416215756528E-9 -5.880816068360478E-12
node -8.952383487591703E-15 1.904223230389726E-14 -2.895497180454414E-11 1.648974930429296E-9 -1.642861296304305E-9 4.863710977016455E-11
peri -1.644966452761591E-13 4.774443166442607E-13 3.899416215756528E-9 -1.642861296304305E-9 2.75622912689095E-9 -4.986213838874921E-11
i -2.35883948872831E-17 5.339435883508464E-17 -5.880816068360478E-12 4.863710977016455E-11 -4.986213838874921E-11 3.308085669497521E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO436908  

183805 (2004 BR44)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 BR44 = 1997 AA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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