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136546 (6208 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2136546
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524130474668632 3.9703e-08  
a 2.457138951381486 1.5514e-08 au
q 2.082638915751901 9.6824e-08 au
i 14.3347123734024 5.4041e-06 deg
node 349.4071870818211 1.6178e-05 deg
peri 309.30440145 2.5278e-05 deg
M 325.059213219306 2.3095e-05 deg
tp 2459533.044175991841
(2021-Nov-14.54417599)
9.1052e-05 TDB
period 1406.83447300686
3.85
1.3324e-05
3.648e-08
d
yr
n .2558936441403542 2.4235e-09 deg/d
Q 2.831638987011071 1.7879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      22192 days (60.76 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:18:49  

Additional Information
 Earth MOID = 1.09738 au 
 Jupiter MOID = 2.53315 au 
 T_jup = 3.434 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533560547568869 3.9781e-08  
q 2.080022808885662 9.7061e-08 au
tp 2456717.294999947476
(2014-Feb-28.79499995)
7.6509e-05 TDB
node 349.4451402691006 1.617e-05 deg
peri 308.97164030287 2.5173e-05 deg
i 14.34096418855411 5.4051e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      22192 days (60.76 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:18:49  

Additional Information
 Jupiter MOID = 2.53315 au 
 T_jup = 3.434 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.582553806512285E-15 -3.826034391093224E-15 1.075199497283266E-12 5.39838127655403E-15 2.361570559870223E-13 2.802017056541717E-15
q -3.826034391093224E-15 9.420777666160699E-15 -2.248903477026458E-12 -1.324535330426106E-14 -4.744680895402629E-13 -5.753270955090467E-15
tp 1.075199497283266E-12 -2.248903477026458E-12 5.853638067915034E-9 -7.204279285301909E-12 1.486345192516319E-9 1.368624579554181E-12
node 5.39838127655403E-15 -1.324535330426106E-14 -7.204279285301909E-12 2.614838364645018E-10 -2.546469850727765E-10 6.586217939100299E-12
peri 2.361570559870223E-13 -4.744680895402629E-13 1.486345192516319E-9 -2.546469850727765E-10 6.336722370917111E-10 -6.123902125667387E-12
i 2.802017056541717E-15 -5.753270955090467E-15 1.368624579554181E-12 6.586217939100299E-12 -6.123902125667387E-12 2.921470443025369E-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 15.98   n/a E2021B55  
diameter diameter 1.914 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136546 (6208 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

Alternate Designations
 6208 P-L = 2005 EE15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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