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24623 (1979 MD8)
Classification: Main-belt Asteroid          SPK-ID: 2024623
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028533285837733 3.2713e-08  
a 2.765069717514942 1.3654e-08 au
q 2.480673093302336 8.9299e-08 au
i 7.666623416638304 3.7785e-06 deg
node 257.3376268009216 2.986e-05 deg
peri 231.7168005236787 3.6547e-05 deg
M 178.3539181070444 2.0454e-05 deg
tp 2458368.472445039298
(2018-Sep-06.97244504)
9.546e-05 TDB
period 1679.413174461807
4.60
1.244e-05
3.406e-08
d
yr
n .2143605906362902 1.5878e-09 deg/d
Q 3.049466341727547 1.5058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1514  
   data-arc span      15022 days (41.13 yr)  
   first obs. used      1979-06-24  
   last obs. used      2020-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:45:26  

Additional Information
 Earth MOID = 1.5045 au 
 Jupiter MOID = 2.06676 au 
 T_jup = 3.319 
[ 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 14.07   n/a E2021B10  
diameter diameter 4.532 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24623 (1979 MD8)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 MD8 = 1998 QA76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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