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JPL Small-Body Database Browser
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46419 (2002 JO21)
Classification: Main-belt Asteroid          SPK-ID: 2046419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15149795574471 5.7675e-08  
a 2.289107611009173 1.3986e-08 au
q 1.942312487461627 1.36e-07 au
i 7.101044073102535 5.7649e-06 deg
node 102.0282727974644 5.3033e-05 deg
peri 156.6289185476832 5.9151e-05 deg
M 301.4416749489376 3.1613e-05 deg
tp 2458806.270866404176
(2019-Nov-18.77086640)
0.00011234 TDB
period 1265.02101692472
3.46
1.1593e-05
3.174e-08
d
yr
n .2845802521725402 2.608e-09 deg/d
Q 2.63590273455672 1.6104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      14890 days (40.77 yr)  
   first obs. used      1978-07-07  
   last obs. used      2019-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:37:35  

Additional Information
 Earth MOID = .92878 au 
 Jupiter MOID = 2.42836 au 
 T_jup = 3.574 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO351161  

46419 (2002 JO21)          Discovered 2002-May-09 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 JO21 = 1978 NW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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