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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697914245918259 3.6877e-08  
a 2.610573725445427 1.565e-08 au
q 2.167320693600058 9.7706e-08 au
i 11.53627497971567 4.4282e-06 deg
node 286.3707094809956 2.8406e-05 deg
peri 339.6817090173637 3.4289e-05 deg
M 32.51809467676256 2.0798e-05 deg
tp 2458861.336622263431
(2020-Jan-12.83662226)
8.8819e-05 TDB
period 1540.644262314836
4.22
1.3854e-05
3.793e-08
d
yr
n .23366847805547 2.1012e-09 deg/d
Q 3.053826757290796 1.8307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1999-09-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:51:50  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2066-Dec-28 05:21 < 00:01 Eunom 0.039272956005407 0.0392664325891992 0.0392794841988961 5.82919527173055 5.82919521041203 2476012.722886958 0.93025905031172 763.626178521603 50.0573202744305 65.0567582580625 106416.444813391 T 22 CATAB v2.0f-lin.ifort 2020-May-20 11:52:05 2020-May-20 11:52
2104-Sep-23 08:55 00:02 Hebe 0.0392994310512164 0.0392796035254701 0.0393192652866478 10.9013268652354 10.9013268507246 2489795.871404090 1.72902016419068 1278.40609303622 38.6190051196099 39.3551120739391 96590.0482744124 T 22 CATAB v2.0f-lin.ifort 2020-May-20 11:52:05 2020-May-20 11:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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