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 ]  
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 
[ 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 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

[ 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
2074-Dec-21 09:09 < 00:01 Juno 0.0470479885029494 0.0470386734125914 0.0470573106582831 6.22516728121463 6.22516723967584 2478927.881359518 0.717145903488327 1023.70046482593 40.7272469991444 -63.1072097988888 154092.479132654 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 09:34:14 2020-Feb-24 09:34
2146-Aug-21 16:43 00:08 Europ 0.0467633646396387 0.0467339245230559 0.0467928180410969 3.70849396586202 3.70849390457502 2505103.196376162 8.18467278019336 1922.89461490029 45.8490924943267 -40.2739474334004 98595.3388056516 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 09:34:14 2020-Feb-24 09:34

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-Apr-07 21:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin