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15953 (1998 BD8)
Classification: Main-belt Asteroid          SPK-ID: 2015953
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907678447326213 3.7538e-08  
a 2.622242577994171 1.1517e-08 au
q 2.122003013024111 1.0057e-07 au
i 12.91360440617197 5.0893e-06 deg
node 327.1683649575241 1.4659e-05 deg
peri 48.40688415014692 1.904e-05 deg
M 195.7525519504701 1.2725e-05 deg
tp 2459708.126117820461
(2022-May-08.62611782)
5.6923e-05 TDB
period 1550.985451771195
4.25
1.0218e-05
2.798e-08
d
yr
n .2321104943885108 1.5291e-09 deg/d
Q 3.122482142964232 1.3714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2132  
   data-arc span      13457 days (36.84 yr)  
   first obs. used      1983-08-13  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:54:19  

Additional Information
 Earth MOID = 1.14385 au 
 Jupiter MOID = 2.42696 au 
 T_jup = 3.343 
[ 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 13.0   n/a MPO431682  
diameter diameter 6.680 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.251   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

15953 (1998 BD8)          Discovered 1998-Jan-25 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BD8 = 1979 SM12 = 1983 PS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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