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72303 (2001 BU31)
Classification: Main-belt Asteroid          SPK-ID: 2072303
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06706635961116285 3.2932e-08  
a 2.528682164915406 1.1781e-08 au
q 2.359092657500856 8.3231e-08 au
i 13.93458369407018 4.5247e-06 deg
node 311.8241176950938 1.4587e-05 deg
peri 308.972803328452 0.00013878 deg
M 225.974572938934 0.00014935 deg
tp 2459747.294948836624
(2022-Jun-16.79494884)
0.00060968 TDB
period 1468.722658809329
4.02
1.0264e-05
2.81e-08
d
yr
n .2451109457873051 1.7129e-09 deg/d
Q 2.698271672329957 1.2571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      17042 days (46.66 yr)  
   first obs. used      1974-07-23  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:15:32  

Additional Information
 Earth MOID = 1.3634 au 
 Jupiter MOID = 2.50785 au 
 T_jup = 3.408 
[ 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 14.40   n/a MPCxxxxx  
diameter diameter 3.922 km 0.384 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72303 (2001 BU31)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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