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 ]  
154801 (2004 PC84)
Classification: Main-belt Asteroid          SPK-ID: 2154801
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 .2230109866027748 8.3277e-08  
a 3.117241138852267 2.9289e-08 au
q 2.422062116998065 2.6517e-07 au
i 7.357979120726291 1.0092e-05 deg
node 354.5373597584858 3.7346e-05 deg
peri 341.024724209923 4.0211e-05 deg
M 319.6711968260194 1.4288e-05 deg
tp 2459225.699207827802
(2021-Jan-11.19920783)
8.1143e-05 TDB
period 2010.268305465474
5.50
2.8332e-05
7.757e-08
d
yr
n .1790805729868196 2.5239e-09 deg/d
Q 3.812420160706468 3.5821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      9393 days (25.72 yr)  
   first obs. used      1993-08-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:21  

Additional Information
 Earth MOID = 1.41414 au 
 Jupiter MOID = 1.58966 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457069.5 (2015-Feb-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2231121387144152 8.3537e-08  
q 2.419763495334413 2.655e-07 au
tp 2457222.247024225821
(2015-Jul-18.74702423)
7.2547e-05 TDB
node 354.6111559919775 3.7329e-05 deg
peri 341.603971950283 4.0151e-05 deg
i 7.361284344001226 1.0097e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      9393 days (25.72 yr)  
   first obs. used      1993-08-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:21  

Additional Information
 Jupiter MOID = 1.58966 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.978496716517155E-15 -2.209930605644425E-14 3.524239142604802E-12 -2.598722541742598E-15 7.256946596983319E-13 -3.269109578795282E-15
q -2.209930605644425E-14 7.048765392028432E-14 -1.082091558416598E-11 6.025885569842778E-15 -2.246206244104363E-12 1.144427434212244E-14
tp 3.524239142604802E-12 -1.082091558416598E-11 5.263007935866497E-9 -9.775674990139103E-12 1.087047307995737E-9 -1.945248046330491E-12
node -2.598722541742598E-15 6.025885569842778E-15 -9.775674990139103E-12 1.393423392757533E-9 -1.383239873938359E-9 1.091555148475987E-10
peri 7.256946596983319E-13 -2.246206244104363E-12 1.087047307995737E-9 -1.383239873938359E-9 1.612110802528554E-9 -1.086884258477741E-10
i -3.269109578795282E-15 1.144427434212244E-14 -1.945248046330491E-12 1.091555148475987E-10 -1.086884258477741E-10 1.019526103872749E-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 15.7   n/a MPO439922  

154801 (2004 PC84)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 PC84 = 1993 QX9 = 2002 EO24 
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-01 21:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin