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19579 (1999 MB1)
Classification: Main-belt Asteroid          SPK-ID: 2019579
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129752866771604 3.6376e-08  
a 2.665251113034227 1.4237e-08 au
q 2.364143604472564 9.8432e-08 au
i 5.156417687971971 5.2997e-06 deg
node 198.2248589654863 3.9454e-05 deg
peri 228.2697459461482 4.5519e-05 deg
M 212.7618749102215 2.3808e-05 deg
tp 2459850.515038974391
(2022-Sep-28.01503897)
0.0001074 TDB
period 1589.299061558246
4.35
1.2734e-05
3.486e-08
d
yr
n .2265149515957267 1.815e-09 deg/d
Q 2.96635862159589 1.5845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      15208 days (41.64 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:58:50  

Additional Information
 Earth MOID = 1.38067 au 
 Jupiter MOID = 2.32265 au 
 T_jup = 3.369 
[ 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 15.34   n/a E2021B10  
diameter diameter 4.136 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 380.376 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 0.065   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19579 (1999 MB1)          Discovered 1999-Jun-23 by Zoltowski, F. B. at Woomera
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 MB1 = 1978 UU7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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