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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2521485622286345 3.2828e-08  
a 3.124715490700863 1.1696e-08 au
q 2.336822972347098 1.0215e-07 au
i 2.71460857315352 3.8707e-06 deg
node 185.795029755191 6.2843e-05 deg
peri 187.7259757460486 6.3198e-05 deg
M 8.991759258461244 5.4312e-06 deg
tp 2459150.108612394745
(2020-Oct-27.60861239)
3.0451e-05 TDB
period 2017.502806341404
5.52
1.1327e-05
3.101e-08
d
yr
n .1784384135023009 1.0018e-09 deg/d
Q 3.912608009054628 1.4645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2137  
   data-arc span      16232 days (44.44 yr)  
   first obs. used      1976-09-25  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:41:50  

Additional Information
 Earth MOID = 1.33612 au 
 Jupiter MOID = 1.55328 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 13.37   n/a E2021B10  
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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