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59666 (1999 JH97)
Classification: Main-belt Asteroid          SPK-ID: 2059666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2436315038027835 4.2179e-08  
a 2.752825674722683 1.5146e-08 au
q 2.082150615883084 1.159e-07 au
i 13.23788895278939 4.6885e-06 deg
node 172.7535277473053 1.5349e-05 deg
peri 175.9903977483289 1.6907e-05 deg
M 135.2243074493193 6.5808e-06 deg
tp 2458373.859071229386
(2018-Sep-12.35907123)
3.0597e-05 TDB
period 1668.270583984836
4.57
1.3768e-05
3.769e-08
d
yr
n .2157923321647877 1.7809e-09 deg/d
Q 3.423500733562282 1.8835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      8086 days (22.14 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:45:40  

Additional Information
 Earth MOID = 1.07631 au 
 Jupiter MOID = 2.02061 au 
 T_jup = 3.264 
[ 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 14.4   n/a MPO452978  
diameter diameter 3.768 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59666 (1999 JH97)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JH97 = 2000 OG61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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