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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
72915 (2001 PK24)
Classification: Main-belt Asteroid          SPK-ID: 2072915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09572446187453992 4.0691e-08  
a 3.168457993438544 1.7617e-08 au
q 2.865159057044555 1.3608e-07 au
i 9.619758818206495 3.8407e-06 deg
node 124.0642171747581 2.3721e-05 deg
peri 38.35054832120307 3.2798e-05 deg
M 3.555684435085662 2.099e-05 deg
tp 2459376.153436538173
(2021-Jun-10.65343654)
0.00012012 TDB
period 2060.014880392814
5.64
1.7181e-05
4.704e-08
d
yr
n .1747560192047513 1.4575e-09 deg/d
Q 3.471756929832533 1.9304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1825  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1999-04-12  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:53:01  

Additional Information
 Earth MOID = 1.88254 au 
 Jupiter MOID = 1.55325 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457452.5 (2016-Mar-05.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0973242291034614 4.0775e-08  
q 2.86008582233832 1.3698e-07 au
tp 2457321.503212952818
(2015-Oct-26.00321295)
0.00011976 TDB
node 124.1063024701961 2.3719e-05 deg
peri 39.0681547314087 3.2442e-05 deg
i 9.620927720138198 3.8414e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1825  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1999-04-12  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:53:01  

Additional Information
 Jupiter MOID = 1.55325 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.662583697703185E-15 -5.553845677574859E-15 1.170437719945163E-12 2.65100970680816E-15 2.528446295035199E-13 -1.774086101357105E-15
q -5.553845677574859E-15 1.876325975364177E-14 -4.115829502229311E-12 -9.679430050796908E-15 -8.805311486210247E-13 6.072594787391908E-15
tp 1.170437719945163E-12 -4.115829502229311E-12 1.434318732079134E-8 9.566588685736764E-12 2.670591632864437E-9 1.616444118275687E-13
node 2.65100970680816E-15 -9.679430050796908E-15 9.566588685736764E-12 5.625699419957119E-10 -5.52665498898517E-10 3.388001991081992E-12
peri 2.528446295035199E-13 -8.805311486210247E-13 2.670591632864437E-9 -5.52665498898517E-10 1.052500318831007E-9 -3.3327140396266E-12
i -1.774086101357105E-15 6.072594787391908E-15 1.616444118275687E-13 3.388001991081992E-12 -3.3327140396266E-12 1.475639423194766E-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 13.56   n/a MPCxxxxx  
diameter diameter 13.068 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 258.833 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.024   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72915 (2001 PK24)          Discovered 2001-Aug-11 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 PK24 = 1999 GS39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 08:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin