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74535 (1999 JS3)
Classification: Main-belt Asteroid          SPK-ID: 2074535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224392624550191 3.6946e-08  
a 2.288985854242598 9.3271e-09 au
q 1.779825529054903 8.3903e-08 au
i 7.550385742257451 5.9645e-06 deg
node 196.3511378441331 3.417e-05 deg
peri 103.5602227058728 3.7239e-05 deg
M 342.0989738422512 1.5034e-05 deg
tp 2459063.398243349258
(2020-Aug-01.89824335)
5.3007e-05 TDB
period 1264.920089283891
3.46
7.7314e-06
2.117e-08
d
yr
n .2846029587559216 1.7395e-09 deg/d
Q 2.798146179430294 1.1402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1992-04-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:38  

Additional Information
 Earth MOID = .783346 au 
 Jupiter MOID = 2.47563 au 
 T_jup = 3.555 
[ 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 16.1   n/a MPO267934  
diameter diameter 1.364 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.287   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74535 (1999 JS3)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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