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180401 (2004 BT19)
Classification: Main-belt Asteroid          SPK-ID: 2180401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2466953152568343 5.6281e-08  
a 2.453187952266171 1.2577e-08 au
q 1.8479979769976 1.3476e-07 au
i 8.661790433782569 6.2281e-06 deg
node 56.364152363408 2.4714e-05 deg
peri 6.293054248431746 2.8041e-05 deg
M 192.1026468091498 9.1018e-06 deg
tp 2459855.039726472147
(2022-Oct-02.53972647)
3.5635e-05 TDB
period 1403.442621648274
3.84
1.0793e-05
2.955e-08
d
yr
n .256512089947217 1.9727e-09 deg/d
Q 3.058377927534741 1.568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-12-10  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:22  

Additional Information
 Earth MOID = .860621 au 
 Jupiter MOID = 2.29103 au 
 T_jup = 3.437 
[ 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 16.49   n/a E2021B55  
diameter diameter 3.108 km 0.514 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180401 (2004 BT19)          Discovered 2004-Jan-17 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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