Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522763413224821 3.9995e-08  
a 2.457739143585476 1.5864e-08 au
q 2.083483618875229 9.7275e-08 au
i 14.33304890637329 5.4488e-06 deg
node 349.4064385696389 1.6253e-05 deg
peri 309.1984709287554 2.5543e-05 deg
M 223.8392738147533 2.2871e-05 deg
tp 2459532.793869857206
(2021-Nov-14.29386986)
9.2581e-05 TDB
period 1407.349964393457
3.85
1.3626e-05
3.731e-08
d
yr
n .2557999140996558 2.4767e-09 deg/d
Q 2.831994668295723 1.828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      21680 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:41:15  

Additional Information
 Earth MOID = 1.09887 au 
 Jupiter MOID = 2.53374 au 
 T_jup = 3.433 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457122.5 (2015-Apr-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533567730261535 4.0088e-08  
q 2.080048058412136 9.7587e-08 au
tp 2456717.311023127023
(2014-Feb-28.81102313)
7.7579e-05 TDB
node 349.4450974865608 1.6244e-05 deg
peri 308.9770102677152 2.5426e-05 deg
i 14.34096003603582 5.4505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      21680 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:41:15  

Additional Information
 Jupiter MOID = 2.53374 au 
 T_jup = 3.433 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.607061497291614E-15 -3.876058276518239E-15 1.128901727292416E-12 5.286016372703855E-15 2.488250656010082E-13 2.831631244129025E-15
q -3.876058276518239E-15 9.523255743939162E-15 -2.36146681684936E-12 -1.299055311755137E-14 -5.012373689150707E-13 -5.84168395546185E-15
tp 1.128901727292416E-12 -2.36146681684936E-12 6.018550907561045E-9 -7.44271429694618E-12 1.527884888199239E-9 1.017503594326334E-12
node 5.286016372703855E-15 -1.299055311755137E-14 -7.44271429694618E-12 2.638800172273629E-10 -2.5701895493677E-10 7.316912012155235E-12
peri 2.488250656010082E-13 -5.012373689150707E-13 1.527884888199239E-9 -2.5701895493677E-10 6.464794262671537E-10 -6.92420940448392E-12
i 2.831631244129025E-15 -5.84168395546185E-15 1.017503594326334E-12 7.316912012155235E-12 -6.92420940448392E-12 2.970815409448363E-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 15.9   n/a MPO459644  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-09 01:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin