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JPL Small-Body Database Browser
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12936 (2549 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012936
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03764848836438153 3.3114e-08  
a 2.830459862942537 1.3998e-08 au
q 2.723897327726696 9.6374e-08 au
i 2.142458740070328 4.9539e-06 deg
node 167.4670781740899 9.8157e-05 deg
peri 284.4664159798756 0.00012099 deg
M 108.4886380424949 6.9679e-05 deg
tp 2458476.337817052011
(2018-Dec-23.83781705)
0.00033653 TDB
period 1739.337770904297
4.76
1.2903e-05
3.533e-08
d
yr
n .2069753247598555 1.5354e-09 deg/d
Q 2.937022398158378 1.4525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      21654 days (59.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:58:46  

Additional Information
 Earth MOID = 1.74154 au 
 Jupiter MOID = 2.12441 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456237.5 (2012-Nov-06.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03723536170934715 3.392e-08  
q 2.72488457629729 9.8615e-08 au
tp 2456757.305911172631
(2014-Apr-09.80591117)
0.0003352 TDB
node 167.5804804231849 9.8438e-05 deg
peri 288.9411778910574 0.00012104 deg
i 2.138545816473282 4.9489e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      21654 days (59.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:58:46  

Additional Information
 Jupiter MOID = 2.12441 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.15059236424796E-15 -3.31431153748109E-15 1.779822966079845E-12 -3.598884145340855E-16 4.036467805459375E-13 -4.434953944623045E-16
q -3.31431153748109E-15 9.724870320351378E-15 -5.218646289379407E-12 1.187086516294596E-15 -1.194037748532679E-12 1.444933601173917E-15
tp 1.779822966079845E-12 -5.218646289379407E-12 1.123558167063722E-7 -3.792057642037108E-11 2.361947735799529E-8 9.322829755642758E-13
node -3.598884145340855E-16 1.187086516294596E-15 -3.792057642037108E-11 9.689978631135992E-9 -9.690835393795182E-9 7.308393919631572E-11
peri 4.036467805459375E-13 -1.194037748532679E-12 2.361947735799529E-8 -9.690835393795182E-9 1.465152935802148E-8 -7.286241463780506E-11
i -4.434953944623045E-16 1.444933601173917E-15 9.322829755642758E-13 7.308393919631572E-11 -7.286241463780506E-11 2.44914421325813E-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 13.8   n/a MPO502266  
diameter diameter 5.136 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12936 (2549 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2549 P-L = 1998 SM22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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