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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412243747945798 5.4398e-08  
a 3.224572385522692 3.7081e-08 au
q 2.769184166397383 1.7722e-07 au
i 18.50666758684021 5.4248e-06 deg
node 91.95189410739202 2.4693e-05 deg
peri 225.7950905391224 3.6959e-05 deg
M 75.91921560784101 3.0791e-05 deg
tp 2458154.478458695031
(2018-Feb-04.97845870)
0.000179 TDB
period 2114.981741897836
5.79
3.6482e-05
9.988e-08
d
yr
n .1702142353611815 2.936e-09 deg/d
Q 3.679960604648001 4.2317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      7179 days (19.66 yr)  
   first obs. used      1999-05-14  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6031  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:20:50  

Additional Information
 Earth MOID = 1.78568 au 
 Jupiter MOID = 1.63109 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 14.2   n/a MPO459644  
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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