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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03713304739187236 2.7554e-08  
a 2.831538307521938 1.1756e-08 au
q 2.726394661356824 7.6489e-08 au
i 2.142567102864828 4.648e-06 deg
node 167.4528927920887 8.7619e-05 deg
peri 284.2458828054275 0.00011049 deg
M 190.704243445392 6.7527e-05 deg
tp 2460214.918920342956
(2023-Sep-27.41892034)
0.00032772 TDB
period 1740.331933413985
4.76
1.0838e-05
2.967e-08
d
yr
n .2068570903562017 1.2883e-09 deg/d
Q 2.936681953687052 1.2193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1925  
   data-arc span      22204 days (60.79 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53932  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:30:41  

Additional Information
 Earth MOID = 1.74408 au 
 Jupiter MOID = 2.12257 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456820.5 (2014-Jun-12.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03829165423529139 2.7642e-08  
q 2.724916893950113 7.6824e-08 au
tp 2456752.563774174266
(2014-Apr-05.06377417)
0.00031227 TDB
node 167.5173504213633 8.7831e-05 deg
peri 287.9680891510356 0.00010925 deg
i 2.138814378569636 4.6428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1925  
   data-arc span      22204 days (60.79 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53932  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:30:41  

Additional Information
 Jupiter MOID = 2.12257 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.641046651324101E-16 -2.101010904739747E-15 2.62301326489372E-13 -1.393635940944081E-15 5.153041130913308E-14 -3.056727624138244E-16
q -2.101010904739747E-15 5.901990898198566E-15 -3.952679858739377E-13 2.287853306357283E-15 -7.169006898230018E-14 7.799460580065389E-16
tp 2.62301326489372E-13 -3.952679858739377E-13 9.751178693854282E-8 1.651097329608768E-11 2.029681112724274E-8 -2.650433366950585E-13
node -1.393635940944081E-15 2.287853306357283E-15 1.651097329608768E-11 7.714358295062009E-9 -7.705251710259967E-9 1.149828695922479E-10
peri 5.153041130913308E-14 -7.169006898230018E-14 2.029681112724274E-8 -7.705251710259967E-9 1.19346454600681E-8 -1.149592662276295E-10
i -3.056727624138244E-16 7.799460580065389E-16 -2.650433366950585E-13 1.149828695922479E-10 -1.149592662276295E-10 2.155519956795556E-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 13.78   n/a MPO636261  
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

Alternate Designations
 2549 P-L = 1998 SM22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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