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24561 (4646 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2024561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298616520116127 2.0279e-08  
a 3.080306852045711 1.2891e-08 au
q 2.680293115536365 6.5514e-08 au
i 10.82663196629439 4.4763e-07 deg
node 185.4602686090665 1.8768e-06 deg
peri 292.2706239857028 5.259e-06 deg
M 305.3439875461351 4.7232e-06 deg
tp 2459500.295315635511
(2021-Oct-12.79531564)
2.6302e-05 TDB
period 1974.646681733039
5.41
1.2396e-05
3.394e-08
d
yr
n .1823110956153674 1.1444e-09 deg/d
Q 3.480320588555057 1.4565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2456  
   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      .46545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:35:27  

Additional Information
 Earth MOID = 1.7188 au 
 Jupiter MOID = 1.68912 au 
 T_jup = 3.188 
[ show covariance matrix ]

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 12.82   n/a E2021B10  
diameter diameter 15.124 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24561 (4646 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

[ show close-approach data ]
Alternate Designations
 4646 P-L = 1998 QU63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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