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72915 (2001 PK24)
Classification: Main-belt Asteroid          SPK-ID: 2072915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09572446172902595 4.0687e-08  
a 3.168457993493721 1.7616e-08 au
q 2.865159057555505 1.3606e-07 au
i 9.619758810474478 3.8404e-06 deg
node 124.0642172357245 2.3718e-05 deg
peri 38.35054806635926 3.2788e-05 deg
M 3.555684594774051 2.0982e-05 deg
tp 2459376.153435623863
(2021-Jun-10.65343562)
0.00012008 TDB
period 2060.014880446625
5.64
1.7179e-05
4.703e-08
d
yr
n .1747560192001864 1.4574e-09 deg/d
Q 3.471756929431938 1.9302e-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      .48399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:40:50  

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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09732422896227878 4.0771e-08  
q 2.860085822841909 1.3696e-07 au
tp 2457321.503212021802
(2015-Oct-26.00321202)
0.00011971 TDB
node 124.1063025312803 2.3715e-05 deg
peri 39.0681544838292 3.2432e-05 deg
i 9.620927712394117 3.8411e-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      .48399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:40:50  

Additional Information
 Jupiter MOID = 1.55325 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.662273675984741E-15 -5.552735546422008E-15 1.168459492558048E-12 2.639612814834193E-15 2.524582979617199E-13 -1.772790818856647E-15
q -5.552735546422008E-15 1.875928455508455E-14 -4.108745266846438E-12 -9.640469656288695E-15 -8.79145830230191E-13 6.068189520730898E-15
tp 1.168459492558048E-12 -4.108745266846438E-12 1.433054969496144E-8 9.542001718273207E-12 2.668076105890005E-9 1.638486358807584E-13
node 2.639612814834193E-15 -9.640469656288695E-15 9.542001718273207E-12 5.624109230157586E-10 -5.525137854500844E-10 3.408019279647147E-12
peri 2.524582979617199E-13 -8.79145830230191E-13 2.668076105890005E-9 -5.525137854500844E-10 1.051845322697892E-9 -3.351990728893243E-12
i -1.772790818856647E-15 6.068189520730898E-15 1.638486358807584E-13 3.408019279647147E-12 -3.351990728893243E-12 1.475387441651298E-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 ]
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