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15070 (1999 BK8)
Classification: Main-belt Asteroid          SPK-ID: 2015070
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796027094132457 3.1269e-08  
a 2.247330133612321 7.0039e-09 au
q 1.843703552669516 7.139e-08 au
i 5.560014673802817 3.3356e-06 deg
node 58.03030277611724 3.5166e-05 deg
peri 322.5998688483874 3.6609e-05 deg
M 208.0722758588897 1.2672e-05 deg
tp 2459519.817874595393
(2021-Nov-01.31787460)
4.4841e-05 TDB
period 1230.548511874622
3.37
5.7526e-06
1.575e-08
d
yr
n .2925524646334947 1.3676e-09 deg/d
Q 2.650956714555126 8.2618e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      16705 days (45.74 yr)  
   first obs. used      1974-11-18  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:35:59  

Additional Information
 Earth MOID = .850498 au 
 Jupiter MOID = 2.80793 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456772.5 (2014-Apr-25.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788197851249841 3.1201e-08  
q 1.846124648867536 7.1223e-08 au
tp 2457056.930179689756
(2015-Feb-03.43017969)
3.8723e-05 TDB
node 58.10187296587333 3.5201e-05 deg
peri 322.2687708819146 3.6661e-05 deg
i 5.556981739182076 3.3327e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      16705 days (45.74 yr)  
   first obs. used      1974-11-18  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:35:59  

Additional Information
 Jupiter MOID = 2.80793 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.735185826681602E-16 -2.215062657007798E-15 -1.672552060751093E-13 5.219572097069692E-15 -4.483408911877577E-14 8.261415863444341E-17
q -2.215062657007798E-15 5.072691825920023E-15 4.780484797786536E-13 -1.215822790568055E-14 1.254299338232283E-13 -5.149330807809886E-17
tp -1.672552060751093E-13 4.780484797786536E-13 1.499454091521468E-9 -7.274793019768834E-12 4.075269012419114E-10 1.29037732178387E-12
node 5.219572097069692E-15 -1.215822790568055E-14 -7.274793019768834E-12 1.239125541562012E-9 -1.234932567178024E-9 -1.231561464104297E-11
peri -4.483408911877577E-14 1.254299338232283E-13 4.075269012419114E-10 -1.234932567178024E-9 1.343995774724451E-9 1.258193459184404E-11
i 8.261415863444341E-17 -5.149330807809886E-17 1.29037732178387E-12 -1.231561464104297E-11 1.258193459184404E-11 1.110721480710276E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO350923  
diameter diameter 3.723 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15070 (1999 BK8)          Discovered 1999-Jan-20 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BK8 = 1974 WZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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