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134513 (1999 JN42)
Classification: Main-belt Asteroid          SPK-ID: 2134513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147550799040119 5.1589e-08  
a 3.095717863572657 1.9721e-08 au
q 2.7404685127781 1.6453e-07 au
i 1.155802915726323 4.7027e-06 deg
node 46.04863441030144 0.00021599 deg
peri 153.1998223133597 0.00021664 deg
M 13.59986578823504 1.7583e-05 deg
tp 2459125.342451034112
(2020-Oct-02.84245103)
9.6935e-05 TDB
period 1989.484164698596
5.45
1.9011e-05
5.205e-08
d
yr
n .1809514277056533 1.7291e-09 deg/d
Q 3.450967214367215 2.1984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      7702 days (21.09 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:08:39  

Additional Information
 Earth MOID = 1.73739 au 
 Jupiter MOID = 1.50453 au 
 T_jup = 3.213 
[ 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 14.96   n/a E2021B55  
diameter diameter 5.872 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134513 (1999 JN42)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 JN42 = 2004 ES42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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