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11412 (1999 JE19)
Classification: Main-belt Asteroid          SPK-ID: 2011412
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007937123227933 4.4793e-08  
a 3.05581971664181 1.5633e-08 au
q 2.747812303212295 1.3509e-07 au
i 10.19926732359247 4.6741e-06 deg
node 25.99798402490336 1.9337e-05 deg
peri 1.020433498163481 2.6095e-05 deg
M 202.7027633241107 1.8061e-05 deg
tp 2460053.027922899655
(2023-Apr-18.52792290)
0.00010027 TDB
period 1951.147132204639
5.34
1.4973e-05
4.099e-08
d
yr
n .1845068442343602 1.4159e-09 deg/d
Q 3.363827130071325 1.7209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      25681 days (70.31 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:45:02  

Additional Information
 Earth MOID = 1.75097 au 
 Jupiter MOID = 2.0928 au 
 T_jup = 3.204 
[ 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 12.76   n/a E2021B10  
diameter diameter 8.730 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.12 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.220   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11412 (1999 JE19)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JE19 = 1985 SE6 = 1985 UR6 = 1985 VA6 = 1990 SB20 = 1993 FG = 1996 XA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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