Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456779.5 (2014-May-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685017506322407 3.7008e-08  
q 2.172224391930582 9.7669e-08 au
tp 2457320.179451407301
(2015-Oct-24.67945141)
8.8704e-05 TDB
node 286.4110554835493 2.8392e-05 deg
peri 339.3944687872959 3.4332e-05 deg
i 11.5357648553391 4.4269e-06 deg
  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
 Jupiter MOID = 2.08375 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.369567519955107E-15 -3.582850006486942E-15 -1.993581084568703E-13 3.470968429443607E-15 -4.561672765673311E-14 9.948630271120642E-16
q -3.582850006486942E-15 9.539259174898765E-15 5.035620947000579E-13 -1.00108722596106E-14 1.015267055266786E-13 -2.350551334019349E-15
tp -1.993581084568703E-13 5.035620947000579E-13 7.868465686805168E-9 -1.204570211374733E-11 1.754421585662295E-9 -4.040287222930283E-12
node 3.470968429443607E-15 -1.00108722596106E-14 -1.204570211374733E-11 8.061224633832319E-10 -7.925333207621353E-10 2.064853517528458E-11
peri -4.561672765673311E-14 1.015267055266786E-13 1.754421585662295E-9 -7.925333207621353E-10 1.178717486509319E-9 -2.123179536265765E-11
i 9.948630271120642E-16 -2.350551334019349E-15 -4.040287222930283E-12 2.064853517528458E-11 -2.123179536265765E-11 1.959714069899752E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-03 12:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin