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JPL Small-Body Database Browser
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59988 (1999 SH16)
Classification: Main-belt Asteroid          SPK-ID: 2059988
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697914713986786 3.8274e-08  
a 2.610573729291289 1.6415e-08 au
q 2.167320574600186 1.0092e-07 au
i 11.53627315868813 4.5997e-06 deg
node 286.3706854416273 2.8608e-05 deg
peri 339.681735835397 3.4575e-05 deg
M 32.51808683894446 2.1313e-05 deg
tp 2458861.336655498381
(2020-Jan-12.83665550)
9.0966e-05 TDB
period 1540.644265719321
4.22
1.4531e-05
3.978e-08
d
yr
n .2336684775391141 2.2039e-09 deg/d
Q 3.053826883982393 1.9202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1178  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      1999-09-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:24  

Additional Information
 Earth MOID = 1.15495 au 
 Jupiter MOID = 2.08375 au 
 T_jup = 3.361 
[ 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 13.9   n/a MPO474480  
diameter diameter 7.587 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59988 (1999 SH16)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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