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JPL Small-Body Database Browser
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136498 (2005 JO20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2136498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1413987815744622 5.3675e-08  
a 3.225148179770419 3.6863e-08 au
q 2.769116156753788 1.7417e-07 au
i 18.50648772061467 5.4225e-06 deg
node 91.95147203457623 2.4133e-05 deg
peri 225.9016738983335 3.637e-05 deg
M 143.8555429936411 3.0982e-05 deg
tp 2458155.129601606749
(2018-Feb-05.62960161)
0.000178 TDB
period 2115.548258262269
5.79
3.6271e-05
9.93e-08
d
yr
n .1701686541982773 2.9175e-09 deg/d
Q 3.681180202787051 4.2076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1999-05-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 18:37:03  

Additional Information
 Earth MOID = 1.78651 au 
 Jupiter MOID = 1.63259 au 
 T_jup = 3.092 
[ 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 14.1   n/a MPO469435  
diameter diameter 8.984 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136498 (2005 JO20)          Discovered 2005-May-04 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2005 JO20 = 2001 QM90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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