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JPL Small-Body Database Browser
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59487 (1999 JZ1)
Classification: Main-belt Asteroid          SPK-ID: 2059487
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498680712957305 1.0358e-07  
a 2.534995432388391 1.2798e-08 au
q 2.155080556192856 2.6268e-07 au
i 7.308212661920693 3.7455e-06 deg
node 152.7952011034456 4.6634e-05 deg
peri 256.6122739419538 4.8258e-05 deg
M 233.4995156001726 1.205e-05 deg
tp 2459518.528777549844
(2021-Oct-31.02877755)
5.0186e-05 TDB
period 1474.226449034833
4.04
1.1164e-05
3.057e-08
d
yr
n .2441958630139147 1.8493e-09 deg/d
Q 2.914910308583925 1.4716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-04-10  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:48:16  

Additional Information
 Earth MOID = 1.17885 au 
 Jupiter MOID = 2.48564 au 
 T_jup = 3.422 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511540756739861 1.0327e-07  
q 2.150191621755272 2.6154e-07 au
tp 2456574.668839116440
(2013-Oct-09.16883912)
4.9665e-05 TDB
node 152.8551288472643 4.6662e-05 deg
peri 256.962587537149 4.8268e-05 deg
i 7.307903059610333 3.7467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-04-10  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:48:16  

Additional Information
 Jupiter MOID = 2.48564 au 
 T_jup = 3.422 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.066535351304051E-14 -2.698582111011436E-14 -1.885277485768893E-12 -3.240634273225163E-13 -6.382914944560972E-13 -4.643229404634227E-14
q -2.698582111011436E-14 6.840200733273034E-14 4.644742388142923E-12 8.208460737228297E-13 1.59266269114469E-12 1.179091266646567E-13
tp -1.885277485768893E-12 4.644742388142923E-12 2.466599112130197E-9 6.351992374420561E-11 6.757978687850585E-10 5.993984516984565E-12
node -3.240634273225163E-13 8.208460737228297E-13 6.351992374420561E-11 2.177374469364591E-9 -2.128879335446188E-9 5.964532603039615E-11
peri -6.382914944560972E-13 1.59266269114469E-12 6.757978687850585E-10 -2.128879335446188E-9 2.329769851105984E-9 -5.555260265689416E-11
i -4.643229404634227E-14 1.179091266646567E-13 5.993984516984565E-12 5.964532603039615E-11 -5.555260265689416E-11 1.403789463571038E-11

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 14.5   n/a MPO474475  
diameter diameter 4.270 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59487 (1999 JZ1)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JZ1 = 2001 QN182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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