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17964 (1999 JY41)
Classification: Main-belt Asteroid          SPK-ID: 2017964
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598275769602334 3.0874e-08  
a 2.286375463325415 6.8462e-09 au
q 1.920949613000783 7.1184e-08 au
i 5.254997794755643 3.3628e-06 deg
node 201.4677076984541 3.1941e-05 deg
peri 208.0956839492095 3.325e-05 deg
M 213.0565546117914 1.0348e-05 deg
tp 2459515.927363165585
(2021-Oct-28.42736317)
3.7562e-05 TDB
period 1262.756907934189
3.46
5.6717e-06
1.553e-08
d
yr
n .2850905013768193 1.2805e-09 deg/d
Q 2.651801313650047 7.9404e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      18557 days (50.81 yr)  
   first obs. used      1969-10-13  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:16:50  

Additional Information
 Earth MOID = .932702 au 
 Jupiter MOID = 2.71929 au 
 T_jup = 3.579 
[ 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 14.1   n/a MPO474004  
diameter diameter 3.892 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.321   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17964 (1999 JY41)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JY41 = 1969 TK4 = 1976 UX4 = 1979 OL16 = 1986 QJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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