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15208 (1979 MW1)
Classification: Main-belt Asteroid          SPK-ID: 2015208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805691363164666 3.5052e-08  
a 2.643724575820268 8.7744e-09 au
q 2.166349512505785 9.3218e-08 au
i 4.650189659542016 3.2283e-06 deg
node 244.4948618436508 4.861e-05 deg
peri 127.235658798491 4.947e-05 deg
M 125.9825133089702 9.3064e-06 deg
tp 2458451.047053655273
(2018-Nov-28.54705366)
4.0047e-05 TDB
period 1570.083462289664
4.30
7.8165e-06
2.14e-08
d
yr
n .2292871739920179 1.1415e-09 deg/d
Q 3.12109963913475 1.0359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      14961 days (40.96 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:35:05  

Additional Information
 Earth MOID = 1.17056 au 
 Jupiter MOID = 2.3685 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456938.5 (2014-Oct-08.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793034650883552 3.5153e-08  
q 2.169712536256943 9.3416e-08 au
tp 2456875.402725635340
(2014-Aug-05.90272564)
3.9919e-05 TDB
node 244.7940091241426 4.8784e-05 deg
peri 126.0311303477156 4.9644e-05 deg
i 4.639484789569806 3.2234e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      14961 days (40.96 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:35:05  

Additional Information
 Jupiter MOID = 2.3685 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.235730382280655E-15 -3.274193061746845E-15 -3.14020331700284E-13 -4.832853586988078E-15 -9.93203661775166E-14 -4.962941990747616E-16
q -3.274193061746845E-15 8.726483530476084E-15 8.332677696359547E-13 1.391510092224523E-14 2.62233447329782E-13 1.490589904434915E-15
tp -3.14020331700284E-13 8.332677696359547E-13 1.593519718020488E-9 6.639724515082701E-12 3.860700387167157E-10 1.753863827463076E-13
node -4.832853586988078E-15 1.391510092224523E-14 6.639724515082701E-12 2.379869976301154E-9 -2.370233109081047E-9 8.732928744369181E-13
peri -9.93203661775166E-14 2.62233447329782E-13 3.860700387167157E-10 -2.370233109081047E-9 2.464523335831473E-9 -8.293326098556243E-13
i -4.962941990747616E-16 1.490589904434915E-15 1.753863827463076E-13 8.732928744369181E-13 -8.293326098556243E-13 1.03905901850545E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO332960  
diameter diameter 6.760 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.074   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15208 (1979 MW1)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 MW1 = 1987 KC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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