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 ]  
359360 (2009 US28)
Classification: Jupiter Trojan          SPK-ID: 2359360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002698014306545 9.5593e-08  
a 5.284786520909772 8.6292e-07 au
q 4.75488202585475 1.0118e-06 au
i 6.746735326103753 1.2074e-05 deg
node 218.0759583517489 0.00012111 deg
peri 218.9305488187975 0.00023824 deg
M 289.3296247005655 0.00024723 deg
tp 2459871.613003627464
(2022-Oct-19.11300363)
0.0032509 TDB
period 4437.512606621132
12.15
0.0010869
2.976e-06
d
yr
n .08112653008869214 1.987e-08 deg/d
Q 5.814691015964794 9.4944e-07 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      3573 days (9.78 yr)  
   first obs. used      2008-09-25  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68074  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:11  

Additional Information
 Earth MOID = 3.77339 au 
 Jupiter MOID = .157138 au 
 T_jup = 2.976 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456718.5 (2014-Mar-02.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013635415542538 9.5199e-08  
q 4.738257973301791 1.0012e-06 au
tp 2455447.179448791965
(2010-Sep-07.67944879)
0.0021945 TDB
node 218.1098113700702 0.00012097 deg
peri 219.1634325227507 0.00023594 deg
i 6.754351323651988 1.2091e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      3573 days (9.78 yr)  
   first obs. used      2008-09-25  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68074  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:11  

Additional Information
 Jupiter MOID = .157138 au 
 T_jup = 2.976 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.062906242423744E-15 -6.202079145510417E-14 -2.634242550979203E-11 2.199536783390511E-14 -2.815952625023327E-12 -2.444533347399513E-15
q -6.202079145510417E-14 1.002432288848248E-12 1.673393694644157E-9 -1.582905592494157E-12 1.599413963271726E-10 1.742356571497442E-13
tp -2.634242550979203E-11 1.673393694644157E-9 4.815757385768516E-6 -4.500586713289862E-9 4.446510609977564E-7 4.148881656568433E-10
node 2.199536783390511E-14 -1.582905592494157E-12 -4.500586713289862E-9 1.463322681497434E-8 -1.494398969717074E-8 -5.121929723323329E-10
peri -2.815952625023327E-12 1.599413963271726E-10 4.446510609977564E-7 -1.494398969717074E-8 5.566675064419414E-8 5.474511233641253E-10
i -2.444533347399513E-15 1.742356571497442E-13 4.148881656568433E-10 -5.121929723323329E-10 5.474511233641253E-10 1.461814148981035E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO418819  
diameter diameter 9.742 km 1.077 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.039   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

359360 (2009 US28)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 02:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin