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19524 Acaciacoleman (1998 YB7)
Classification: Main-belt Asteroid          SPK-ID: 2019524
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068333168987079 1.6608e-08  
a 2.650166183543539 1.0029e-08 au
q 2.10202352146844 4.3444e-08 au
i 12.7737641971823 6.9545e-07 deg
node 295.4631849553741 4.7209e-06 deg
peri 99.47245930872603 8.5502e-06 deg
M 47.90618328245126 5.9099e-06 deg
tp 2458990.800613520639
(2020-May-21.30061352)
2.5425e-05 TDB
period 1575.825372843334
4.31
8.9454e-06
2.449e-08
d
yr
n .228451709309919 1.2968e-09 deg/d
Q 3.198308845618639 1.2104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1977  
   data-arc span      16804 days (46.01 yr)  
   first obs. used      1975-03-12  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:56:46  

Additional Information
 Earth MOID = 1.15258 au 
 Jupiter MOID = 2.37678 au 
 T_jup = 3.325 
[ 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 13.46   n/a E2021B10  
diameter diameter 5.998 km 2.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.340   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19524 Acaciacoleman           Discovered 1998 Dec. 23 by E. Sheridan at the Crescent Butte Observatory.
Acacia Coleman is the granddaughter of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020526/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 YB7 = 1991 BU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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