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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908506854517211 1.7443e-08  
a 2.623104194605285 1.0959e-08 au
q 2.122482961053582 4.8645e-08 au
i 12.91381150848117 1.3468e-06 deg
node 327.1665912216094 3.0688e-06 deg
peri 48.27738438156218 7.3659e-06 deg
M 287.8167201809431 8.4776e-06 deg
tp 2459707.640002138774
(2022-May-08.14000214)		 3.7587e-05 TDB
period 1551.74994889034
4.25		 9.7249e-06
2.663e-08		 d
yr
n .2319961410389842 1.4539e-09 deg/d
Q 3.123725428156989 1.3051e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2306  
   data-arc span      13828 days (37.86 yr)  
   first obs. used      1983-08-13  
   last obs. used      2021-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:58:49  

Additional Information
 Earth MOID = 1.1434 au 
 Jupiter MOID = 2.4265 au 
 T_jup = 3.342 
[ 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 13.03   n/a E2021B10  
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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