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19536 (1999 JM4)
Classification: Main-belt Asteroid          SPK-ID: 2019536
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883662241536258 4.314e-08  
a 2.296339308917346 9.6981e-09 au
q 1.863786543921039 1.0233e-07 au
i 24.0264295778583 6.8427e-06 deg
node 227.1628680606512 8.714e-06 deg
peri 136.0004576040488 1.9386e-05 deg
M 314.9569760898328 1.8644e-05 deg
tp 2459359.529449292418
(2021-May-25.02944929)		 6.6212e-05 TDB
period 1271.020388405752
3.48		 8.0518e-06
2.204e-08		 d
yr
n .2832369986224612 1.7943e-09 deg/d
Q 2.728892073913653 1.1525e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      12419 days (34.00 yr)  
   first obs. used      1986-11-03  
   last obs. used      2020-11-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:57:18  

Additional Information
 Earth MOID = .913569 au 
 Jupiter MOID = 2.832 au 
 T_jup = 3.458 
[ 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 15.01   n/a E2021B10  
diameter diameter 2.744 km 0.535 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19536 (1999 JM4)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JM4 = 1986 VK = 1993 VQ1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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