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JPL Small-Body Database Browser
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59565 (1999 JT46)
Classification: Main-belt Asteroid          SPK-ID: 2059565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08797768916925898 5.6497e-08  
a 2.598659950579041 1.1674e-08 au
q 2.370035853190396 1.5026e-07 au
i 5.215213488419643 3.9856e-06 deg
node 74.50552293595949 5.3596e-05 deg
peri 81.24945145286515 5.8676e-05 deg
M 75.94321469651022 2.2993e-05 deg
tp 2458677.718167328830
(2019-Jul-13.21816733)
9.7444e-05 TDB
period 1530.109835697552
4.19
1.031e-05
2.823e-08
d
yr
n .2352772275565969 1.5854e-09 deg/d
Q 2.827284047967686 1.2701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:49:43  

Additional Information
 Earth MOID = 1.3866 au 
 Jupiter MOID = 2.16783 au 
 T_jup = 3.404 
[ 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 14.2   n/a MPO381683  
diameter diameter 3.325 km 0.662 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.401   0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59565 (1999 JT46)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1947-Oct-11 09:21 < 00:01 Eunom 0.0277385370750097 0.027733998430657 0.027743079992938 7.13055426419682 7.13055419322482 2432469.889777384 0.569743783910912 595.780698621845 39.2765138866161 67.9772706421148 97942.6311538868 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 12:49:49 2020-Feb-23 12:49
2087-Dec-12 14:22 00:01 Eunom 0.0392842280902935 0.039271513486789 0.0392969439494069 6.59376930083617 6.59376924664333 2483667.098414462 1.13331545403658 724.486072523901 45.4438901330123 -29.0376749369127 63142.9997995123 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 12:49:49 2020-Feb-23 12:49

Alternate Designations
 1999 JT46 = 2000 QO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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