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136540 (2543 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2136540
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .302274557456031 4.435e-08  
a 2.760901989593421 1.3693e-08 au
q 1.926351562509594 1.2534e-07 au
i 5.884529047656522 6.7484e-06 deg
node 11.5244781269025 4.0193e-05 deg
peri 302.4573506665743 4.1515e-05 deg
M 26.5869668753319 9.2836e-06 deg
tp 2458876.751140473815
(2020-Jan-28.25114047)
4.2851e-05 TDB
period 1675.617592571684
4.59
1.2466e-05
3.413e-08
d
yr
n .2148461567818011 1.5983e-09 deg/d
Q 3.595452416677248 1.7832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      21411 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:07  

Additional Information
 Earth MOID = .920573 au 
 Jupiter MOID = 1.75408 au 
 T_jup = 3.266 
[ 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 15.4   n/a MPO475188  
diameter diameter 4.428 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136540 (2543 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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