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123821 (2001 BH80)
Classification: Main-belt Asteroid          SPK-ID: 2123821
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138963984882448 4.3327e-08  
a 2.645386959523724 1.4095e-08 au
q 2.277773446072244 1.1461e-07 au
i 11.91499958341332 4.2227e-06 deg
node 94.12060825993593 2.2684e-05 deg
peri 90.34640160507735 2.7241e-05 deg
M 101.2649779954325 1.5293e-05 deg
tp 2458558.432068645804
(2019-Mar-15.93206865)
6.5827e-05 TDB
period 1571.564606419888
4.30
1.2561e-05
3.439e-08
d
yr
n .2290710789294881 1.8308e-09 deg/d
Q 3.013000472975204 1.6054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:22:02  

Additional Information
 Earth MOID = 1.31722 au 
 Jupiter MOID = 2.06981 au 
 T_jup = 3.349 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO475085  
diameter diameter 4.151 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123821 (2001 BH80)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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