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180446 (2004 BH116)
Classification: Main-belt Asteroid          SPK-ID: 2180446
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 .1706763216160307 7.4203e-08  
a 2.450449649835232 1.4417e-08 au
q 2.032215917296064 1.7931e-07 au
i 5.04087282310008 5.6482e-06 deg
node 71.871549724255 6.62e-05 deg
peri 342.4738694306345 6.8867e-05 deg
M 198.2216719614927 1.6797e-05 deg
tp 2459830.129320293260
(2022-Sep-07.62932029)
6.5979e-05 TDB
period 1401.093447149615
3.84
1.2365e-05
3.385e-08
d
yr
n .256942176649519 2.2675e-09 deg/d
Q 2.8686833823744 1.6878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7446 days (20.39 yr)  
   first obs. used      2000-01-03  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:33  

Additional Information
 Earth MOID = 1.04371 au 
 Jupiter MOID = 2.4819 au 
 T_jup = 3.471 
[ 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 16.48   n/a E2021B55  
diameter diameter 2.994 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180446 (2004 BH116)          Discovered 2004-Jan-26 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 BH116 = 2000 AS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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