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 ]  
154757 (2004 PX9)
Classification: Main-belt Asteroid          SPK-ID: 2154757
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029837425716088 5.7275e-08  
a 2.678121880998837 2.3225e-08 au
q 2.402318866630659 1.5266e-07 au
i 1.863651204320595 4.1738e-06 deg
node 277.4559392093549 0.00019497 deg
peri 79.25566371006796 0.00019595 deg
M 186.8941795007901 2.1668e-05 deg
tp 2459770.256036975521
(2022-Jul-09.75603698)
0.00010102 TDB
period 1600.825278503287
4.38
2.0824e-05
5.701e-08
d
yr
n .2248840050405669 2.9253e-09 deg/d
Q 2.953924895367014 2.5617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7065 days (19.34 yr)  
   first obs. used      2000-09-21  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:11  

Additional Information
 Earth MOID = 1.39875 au 
 Jupiter MOID = 2.45993 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456781.5 (2014-May-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009235105445637 5.6865e-08  
q 2.408098688664423 1.5119e-07 au
tp 2456561.490814968815
(2013-Sep-25.99081497)
9.0242e-05 TDB
node 277.7201304132457 0.00019427 deg
peri 77.84522114710197 0.00019533 deg
i 1.867294972117736 4.1815e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7065 days (19.34 yr)  
   first obs. used      2000-09-21  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:11  

Additional Information
 Jupiter MOID = 2.45993 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.233620937788851E-15 -8.516513037021652E-15 4.084049477903862E-13 3.682494098914186E-14 5.260494260826665E-14 -1.276044533473016E-15
q -8.516513037021652E-15 2.28594020119854E-14 -8.646862545506484E-13 -1.017142779997618E-13 -7.715450047525839E-14 3.580863239978103E-15
tp 4.084049477903862E-13 -8.646862545506484E-13 8.143639923092535E-9 1.822866119117712E-11 1.892237038773544E-9 3.722179118301288E-13
node 3.682494098914186E-14 -1.017142779997618E-13 1.822866119117712E-11 3.77410713678126E-8 -3.771659611235082E-8 1.263517703028027E-10
peri 5.260494260826665E-14 -7.715450047525839E-14 1.892237038773544E-9 -3.771659611235082E-8 3.815258098891732E-8 -1.261877125372751E-10
i -1.276044533473016E-15 3.580863239978103E-15 3.722179118301288E-13 1.263517703028027E-10 -1.261877125372751E-10 1.748475143270864E-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 16.4   n/a MPO417826  
diameter diameter 2.957 km 0.860 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154757 (2004 PX9)          Discovered 2004-Aug-06 by CINEOS at Campo Imperatore
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 PX9 = 2000 SO291 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 18:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin