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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2220198009165915 6.8629e-08  
a 2.547184738019664 1.5568e-08 au
q 1.981659289586758 1.7917e-07 au
i 16.62213837946648 4.7621e-06 deg
node 102.7504632499706 2.0979e-05 deg
peri 256.1726058743394 2.2496e-05 deg
M 44.12853554878203 1.0179e-05 deg
tp 2458418.485449650531
(2018-Oct-26.98544965)
4.1032e-05 TDB
period 1484.872255807668
4.07
1.3613e-05
3.727e-08
d
yr
n .2424450982850271 2.2226e-09 deg/d
Q 3.11271018645257 1.9024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1997-05-01  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56335  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:05:14  

Additional Information
 Earth MOID = 1.04842 au 
 Jupiter MOID = 2.49637 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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