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180404 (2004 BT27)
Classification: Main-belt Asteroid          SPK-ID: 2180404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271013181645936 4.7049e-08  
a 2.38421119155853 1.0983e-08 au
q 2.081174806328664 1.1025e-07 au
i 2.10801760112953 3.723e-06 deg
node 58.66385863593997 0.00013797 deg
peri 114.2158505419855 0.00013872 deg
M 229.6672786857957 1.5854e-05 deg
tp 2459883.317826211380
(2022-Oct-30.81782621)
6.0623e-05 TDB
period 1344.669363678793
3.68
9.2918e-06
2.544e-08
d
yr
n .267723806107324 1.85e-09 deg/d
Q 2.687247576788395 1.2379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1995-12-19  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:24:14  

Additional Information
 Earth MOID = 1.08814 au 
 Jupiter MOID = 2.27443 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457474.5 (2016-Mar-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258978150026138 4.6962e-08  
q 2.084689096824166 1.0991e-07 au
tp 2457191.167802099792
(2015-Jun-17.66780210)
5.5698e-05 TDB
node 58.72589646063994 0.00013776 deg
peri 113.8687932683503 0.00013853 deg
i 2.109534465197566 3.7248e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1995-12-19  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:24:14  

Additional Information
 Jupiter MOID = 2.27443 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.205458105383634E-15 -5.142822267876888E-15 -3.240353528469233E-13 -2.159453383278701E-15 -7.437139148139795E-14 -1.326661374090248E-16
q -5.142822267876888E-15 1.207952450914064E-14 8.510161704712693E-13 6.305276691068751E-15 1.996079751752967E-13 3.680945607556889E-16
tp -3.240353528469233E-13 8.510161704712693E-13 3.102230666679651E-9 -3.033654543070104E-12 8.44574368357452E-10 2.09315661924198E-13
node -2.159453383278701E-15 6.305276691068751E-15 -3.033654543070104E-12 1.897671018430883E-8 -1.896448537547854E-8 -6.315941995101495E-11
peri -7.437139148139795E-14 1.996079751752967E-13 8.44574368357452E-10 -1.896448537547854E-8 1.918994424241477E-8 6.31780468344778E-11
i -1.326661374090248E-16 3.680945607556889E-16 2.09315661924198E-13 -6.315941995101495E-11 6.31780468344778E-11 1.387415435078418E-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 16.79   n/a E2021B55  

180404 (2004 BT27)          Discovered 2004-Jan-18 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 BT27 = 2002 TQ359 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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