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180430 (2004 BF93)
Classification: Main-belt Asteroid          SPK-ID: 2180430
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2626437887321355 3.9556e-08  
a 2.398422541238402 1.2775e-08 au
q 1.768491758026991 9.7713e-08 au
i 12.25813437916141 4.4929e-06 deg
node 189.664741544163 1.9276e-05 deg
peri 186.6592119524245 2.1573e-05 deg
M 286.9722260496173 1.333e-05 deg
tp 2459475.715275000981
(2021-Sep-18.21527500)
5.1909e-05 TDB
period 1356.709832996817
3.71
1.0839e-05
2.968e-08
d
yr
n .2653478225368214 2.12e-09 deg/d
Q 3.028353324449812 1.613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      2000-01-08  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:29  

Additional Information
 Earth MOID = .768725 au 
 Jupiter MOID = 2.43524 au 
 T_jup = 3.450 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457557.5 (2016-Jun-18.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2622487705134582 3.9464e-08  
q 1.769435102227954 9.7307e-08 au
tp 2458120.365698965069
(2018-Jan-01.86569897)
4.4252e-05 TDB
node 189.6874758913695 1.9272e-05 deg
peri 186.8101279172581 2.1584e-05 deg
i 12.25879427677123 4.4931e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      2000-01-08  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:29  

Additional Information
 Jupiter MOID = 2.43524 au 
 T_jup = 3.450 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.557384751474057E-15 -3.823057671006503E-15 -5.123013346284464E-13 4.733395262073219E-15 -1.054625686683807E-13 3.234722878244925E-15
q -3.823057671006503E-15 9.468630451849423E-15 1.497173789190485E-12 -1.342605903462495E-14 3.024165228014857E-13 -7.941525389065833E-15
tp -5.123013346284464E-13 1.497173789190485E-12 1.958273946139882E-9 -2.026244855295033E-11 4.437927861125686E-10 -3.430797467395614E-12
node 4.733395262073219E-15 -1.342605903462495E-14 -2.026244855295033E-11 3.714086462258318E-10 -3.667510685562879E-10 -5.024704320671842E-13
peri -1.054625686683807E-13 3.024165228014857E-13 4.437927861125686E-10 -3.667510685562879E-10 4.658781738455264E-10 -1.520398569029251E-13
i 3.234722878244925E-15 -7.941525389065833E-15 -3.430797467395614E-12 -5.024704320671842E-13 -1.520398569029251E-13 2.018769424077635E-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 15.90   n/a MPCxxxxx  
diameter diameter 4.603 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

180430 (2004 BF93)          Discovered 2004-Jan-27 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 BF93 = 2005 GW130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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