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13013 (1987 SP12)
Classification: Main-belt Asteroid          SPK-ID: 2013013
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2523114567432065 3.5724e-08  
a 3.125519455129883 1.9383e-08 au
q 2.336915088326829 1.1066e-07 au
i 2.714330530458674 4.3769e-06 deg
node 185.7968107506826 9.0306e-05 deg
peri 187.6825844310864 9.0705e-05 deg
M 333.3390449759422 1.1168e-05 deg
tp 2459149.970311015023
(2020-Oct-27.47031101)
6.3498e-05 TDB
period 2018.281487548088
5.53
1.8774e-05
5.14e-08
d
yr
n .1783695694684028 1.6592e-09 deg/d
Q 3.914123821932937 2.4273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1382  
   data-arc span      15563 days (42.61 yr)  
   first obs. used      1976-09-25  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:07:07  

Additional Information
 Earth MOID = 1.33764 au 
 Jupiter MOID = 1.55066 au 
 T_jup = 3.163 
[ show covariance matrix ]

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 13.3   n/a MPO431652  
diameter diameter 10.240 km 2.617 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.086   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

13013 (1987 SP12)          Discovered 1987-Sep-16 by Debehogne, H. at La Silla
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 SP12 = 1976 SK6 = 1998 MU46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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