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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03764846306252259 2.7587e-08  
a 2.830459872572198 1.2015e-08 au
q 2.723897408609711 7.6514e-08 au
i 2.142461092951854 4.7273e-06 deg
node 167.4670012414596 8.803e-05 deg
peri 284.4664676515532 0.00011095 deg
M 108.4886580733249 6.7583e-05 deg
tp 2458476.337717598258
(2018-Dec-23.83771760)
0.00032591 TDB
period 1739.337779780539
4.76
1.1075e-05
3.032e-08
d
yr
n .2069753237036126 1.3178e-09 deg/d
Q 2.937022336534685 1.2467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1885  
   data-arc span      21843 days (59.80 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:49:38  

Additional Information
 Earth MOID = 1.74154 au 
 Jupiter MOID = 2.12441 au 
 T_jup = 3.311 
[ 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 13.8   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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