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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190767843631348 3.895e-08  
a 2.622242577819778 1.1652e-08 au
q 2.122003015770792 1.0383e-07 au
i 12.91360478433012 5.8184e-06 deg
node 327.1683644399039 1.5126e-05 deg
peri 48.40688570796611 2.0748e-05 deg
M 195.7525511292498 1.388e-05 deg
tp 2459708.126121287928
(2022-May-08.62612129)
6.1456e-05 TDB
period 1550.985451616472
4.25
1.0338e-05
2.83e-08
d
yr
n .2321104944116657 1.5471e-09 deg/d
Q 3.122482139868765 1.3875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1918  
   data-arc span      13323 days (36.48 yr)  
   first obs. used      1983-08-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:31:33  

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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