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24560 (4517 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2024560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765881812434453 3.6506e-08  
a 2.301361093696692 6.8679e-09 au
q 1.894967923776367 8.374e-08 au
i 6.863856601382026 3.3479e-06 deg
node 9.597272949261441 3.203e-05 deg
peri 323.0308749147037 3.3942e-05 deg
M 113.5147111031564 1.3937e-05 deg
tp 2458798.408192660144
(2019-Nov-10.90819266)
4.878e-05 TDB
period 1275.19199261146
3.49
5.7083e-06
1.563e-08
d
yr
n .2823104301829543 1.2637e-09 deg/d
Q 2.707754263617017 8.0807e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2755  
   data-arc span      22092 days (60.48 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:35:26  

Additional Information
 Earth MOID = .888596 au 
 Jupiter MOID = 2.66949 au 
 T_jup = 3.561 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.81   n/a MPCxxxxx  
diameter diameter 4.274 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 29.9452 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 0.385   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24560 (4517 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4517 P-L = 1981 TZ2 = 1981 UH21 = 1988 TW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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