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 ]  
32517 (2001 OA54)
Classification: Main-belt Asteroid          SPK-ID: 2032517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536116499184206 3.4708e-08  
a 2.713051955242068 1.2583e-08 au
q 2.296295568082937 9.7543e-08 au
i 13.87938004504504 4.2936e-06 deg
node 62.32816882942291 1.7038e-05 deg
peri 21.3528938056226 2.3512e-05 deg
M 257.7028987154088 1.5673e-05 deg
tp 2459064.316740625426
(2020-Aug-02.81674063)
7.2353e-05 TDB
period 1632.245924159969
4.47
1.1355e-05
3.109e-08
d
yr
n .2205550001206301 1.5343e-09 deg/d
Q 3.129808342401199 1.4515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1576  
   data-arc span      8949 days (24.50 yr)  
   first obs. used      1995-05-28  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:51:42  

Additional Information
 Earth MOID = 1.31678 au 
 Jupiter MOID = 2.1762 au 
 T_jup = 3.303 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456928.5 (2014-Sep-28.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514448110403081 3.4534e-08  
q 2.30420299674784 9.6926e-08 au
tp 2457428.683939824179
(2016-Feb-10.18393982)
7.009e-05 TDB
node 62.39389565386151 1.7068e-05 deg
peri 20.88098847936987 2.3753e-05 deg
i 13.86278263247915 4.2895e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1576  
   data-arc span      8949 days (24.50 yr)  
   first obs. used      1995-05-28  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:51:42  

Additional Information
 Jupiter MOID = 2.1762 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.192571309337815E-15 -3.328068012554685E-15 -6.191715736025873E-13 7.493288262208094E-15 -1.200774331983131E-13 -1.14347640791385E-15
q -3.328068012554685E-15 9.394592881751874E-15 1.882259127909971E-12 -2.004880795558914E-14 3.632132224089256E-13 3.64722254847015E-15
tp -6.191715736025873E-13 1.882259127909971E-12 4.912671970284427E-9 -1.294301551381841E-11 1.174598543510843E-9 6.065685830986429E-12
node 7.493288262208094E-15 -2.004880795558914E-14 -1.294301551381841E-11 2.913186363416595E-10 -2.85340427102794E-10 -2.222727155619366E-11
peri -1.200774331983131E-13 3.632132224089256E-13 1.174598543510843E-9 -2.85340427102794E-10 5.641987858009857E-10 2.287922347093644E-11
i -1.14347640791385E-15 3.64722254847015E-15 6.065685830986429E-12 -2.222727155619366E-11 2.287922347093644E-11 1.839970785695943E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO412419  
diameter diameter 6.177 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32517 (2001 OA54)          Discovered 2001-Jul-21 by JPL/GEODSS NEAT at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 OA54 = 1999 GR38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 10:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin