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48730 (1997 BD3)
Classification: Main-belt Asteroid          SPK-ID: 2048730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08120012004393018 3.4021e-08  
a 2.262993382589853 7.6204e-09 au
q 2.079238048264937 7.8835e-08 au
i 2.53866700499804 3.9554e-06 deg
node 140.3391964957703 9.2074e-05 deg
peri 336.0981355202618 9.6095e-05 deg
M 209.7357674206046 2.7565e-05 deg
tp 2459119.510889277341
(2020-Sep-27.01088928)
9.5839e-05 TDB
period 1243.43575934559
3.40
6.2807e-06
1.72e-08
d
yr
n .2895203851861756 1.4624e-09 deg/d
Q 2.446748716914769 8.2392e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      8307 days (22.74 yr)  
   first obs. used      1997-01-30  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:17  

Additional Information
 Earth MOID = 1.09606 au 
 Jupiter MOID = 2.60249 au 
 T_jup = 3.613 
[ 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 15.2   n/a MPO436123  
diameter diameter 2.276 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48730 (1997 BD3)          Discovered 1997-Jan-30 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 BD3 = 1999 WM18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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