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136817 (1997 JR5)
Classification: Main-belt Asteroid          SPK-ID: 2136817
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22227627411367 6.5055e-08  
a 2.546953915545917 1.4839e-08 au
q 1.980826488859148 1.6902e-07 au
i 16.62280501217116 4.7387e-06 deg
node 102.7505378377686 1.9614e-05 deg
peri 256.1514352821381 2.1334e-05 deg
M 141.1076163404111 1.0601e-05 deg
tp 2458418.560264786572
(2018-Oct-27.06026479)
4.0704e-05 TDB
period 1484.67042467386
4.06
1.2975e-05
3.552e-08
d
yr
n .2424780570941069 2.1191e-09 deg/d
Q 3.113081342232687 1.8138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      8314 days (22.76 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:37  

Additional Information
 Earth MOID = 1.04838 au 
 Jupiter MOID = 2.49936 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO453850  
diameter diameter 2.226 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136817 (1997 JR5)          Discovered 1997-May-01 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1997 JR5 = 1998 VE56 = 2002 TN144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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