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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520912568562736 3.998e-08  
a 2.458073044041501 1.5952e-08 au
q 2.084221625328703 9.7248e-08 au
i 14.33085567087461 5.725e-06 deg
node 349.4200878042837 1.6702e-05 deg
peri 309.1152850122164 2.6433e-05 deg
M 121.6260021339121 2.2696e-05 deg
tp 2458124.929908531404
(2018-Jan-06.42990853)
8.6366e-05 TDB
period 1407.636771125594
3.85
1.3703e-05
3.752e-08
d
yr
n .2557477947326793 2.4896e-09 deg/d
Q 2.8319244627543 1.8378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      21307 days (58.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50245  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:29:55  

Additional Information
 Earth MOID = 1.09889 au 
 Jupiter MOID = 2.53144 au 
 T_jup = 3.433 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457001.5 (2014-Dec-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533818596615505 4.0111e-08  
q 2.080158202213417 9.765e-08 au
tp 2456717.404649182634
(2014-Feb-28.90464918)
7.9619e-05 TDB
node 349.4440510585072 1.6689e-05 deg
peri 309.0084047622283 2.6275e-05 deg
i 14.34076340347209 5.7272e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      21307 days (58.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50245  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:29:55  

Additional Information
 Jupiter MOID = 2.53144 au 
 T_jup = 3.433 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.608879968700527E-15 -3.880191839240281E-15 1.120711392448855E-12 3.85452130751076E-15 2.47611904401358E-13 2.20124625684048E-15
q -3.880191839240281E-15 9.535605864442382E-15 -2.37332965096979E-12 -9.482931594654109E-15 -5.078060242413392E-13 -4.204400499494788E-15
tp 1.120711392448855E-12 -2.37332965096979E-12 6.339211877653419E-9 -1.090290515878767E-11 1.626691082966839E-9 -1.121923235871956E-12
node 3.85452130751076E-15 -9.482931594654109E-15 -1.090290515878767E-11 2.785302984128334E-10 -2.720881917408971E-10 1.39351152104001E-11
peri 2.47611904401358E-13 -5.078060242413392E-13 1.626691082966839E-9 -2.720881917408971E-10 6.903512620552993E-10 -1.390339441156778E-11
i 2.20124625684048E-15 -4.204400499494788E-15 -1.121923235871956E-12 1.39351152104001E-11 -1.390339441156778E-11 3.280046947303322E-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 ]
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