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JPL Small-Body Database Browser
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59506 (1999 JD11)
Classification: Main-belt Asteroid          SPK-ID: 2059506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06743219444230979 4.1187e-08  
a 2.520681466265335 1.1106e-08 au
q 2.350706383505004 1.0249e-07 au
i 3.468961363936006 4.2686e-06 deg
node 185.4842609966804 7.5265e-05 deg
peri 350.6121436048176 8.3781e-05 deg
M 147.521123976867 3.7408e-05 deg
tp 2458401.499629498345
(2018-Oct-09.99962950)
0.00015223 TDB
period 1461.757662681655
4.00
9.661e-06
2.645e-08
d
yr
n .2462788526379708 1.6277e-09 deg/d
Q 2.690656549025665 1.1855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      10304 days (28.21 yr)  
   first obs. used      1991-06-05  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:28:28  

Additional Information
 Earth MOID = 1.35463 au 
 Jupiter MOID = 2.26996 au 
 T_jup = 3.451 
[ 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 14.6   n/a MPO436197  
diameter diameter 4.354 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.024 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.077   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59506 (1999 JD11)          Discovered 1999-May-09 by Korlevic, K. at Visnjan
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JD11 = 2000 QH79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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