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
JPL Small-Body Database Browser
Search: [ help ]  
344009 (2011 SH99)
Classification: Main-belt Asteroid          SPK-ID: 2344009
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385422343101396 6.3649e-08  
a 2.748598889629751 3.5409e-08 au
q 2.367801858238077 1.8983e-07 au
i 4.810505237171426 1.0834e-05 deg
node 178.3522359022736 9.5902e-05 deg
peri 129.3177195585348 0.00010898 deg
M 12.96934806412623 4.7022e-05 deg
tp 2458940.537308020106
(2020-Apr-01.03730802)
0.00021756 TDB
period 1664.429777505255
4.56
3.2164e-05
8.806e-08
d
yr
n .2162902904438475 4.1796e-09 deg/d
Q 3.129395921021425 4.0315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      6504 days (17.81 yr)  
   first obs. used      2002-10-10  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:36:35  

Additional Information
 Earth MOID = 1.35683 au 
 Jupiter MOID = 2.13055 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457632.5 (2016-Sep-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385908129767574 6.3926e-08  
q 2.367647860316771 1.9092e-07 au
tp 2457279.306232090116
(2015-Sep-13.80623209)
0.00022531 TDB
node 178.4302782738254 9.5879e-05 deg
peri 129.9115787730013 0.00010899 deg
i 4.811113987593837 1.0841e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      6504 days (17.81 yr)  
   first obs. used      2002-10-10  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:36:35  

Additional Information
 Jupiter MOID = 2.13055 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.08651341990848E-15 -1.207766752225901E-14 5.678290165035745E-12 -5.144861319044139E-14 1.237967166445842E-12 -2.715796694531811E-15
q -1.207766752225901E-14 3.645211447216273E-14 -1.771428316010335E-11 1.492488284805743E-13 -3.829844570465132E-12 9.854508366054938E-15
tp 5.678290165035745E-12 -1.771428316010335E-11 5.076273098832615E-8 -3.957595901020141E-10 1.175406462318294E-8 -2.457189707718216E-11
node -5.144861319044139E-14 1.492488284805743E-13 -3.957595901020141E-10 9.192874704469463E-9 -9.246243083691398E-9 5.035525229261078E-10
peri 1.237967166445842E-12 -3.829844570465132E-12 1.175406462318294E-8 -9.246243083691398E-9 1.187820642279088E-8 -5.07016693252092E-10
i -2.715796694531811E-15 9.854508366054938E-15 -2.457189707718216E-11 5.035525229261078E-10 -5.07016693252092E-10 1.175285469223853E-10

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 17.0   n/a MPO476588  
diameter diameter 2.180 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.045   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

344009 (2011 SH99)          Discovered 2007-Nov-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

[ show close-approach data ]
Alternate Designations
 2011 SH99 = 2010 PD43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 17:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin