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JPL Small-Body Database Browser
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461570 (2004 JA55)
Classification: Main-belt Asteroid          SPK-ID: 2461570
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06952304714955618 1.4382e-07  
a 2.550431702316441 3.3132e-08 au
q 2.373117918824572 3.5544e-07 au
i 15.9390257490243 1.3374e-05 deg
node 39.33803494957574 4.0678e-05 deg
peri 264.0301975802959 0.00011228 deg
M 158.7782667240455 0.00010566 deg
tp 2457944.343357053812
(2017-Jul-09.84335705)
0.00043327 TDB
period 1487.712369799129
4.07
2.899e-05
7.937e-08
d
yr
n .2419822590092514 4.7153e-09 deg/d
Q 2.72774548580831 3.5436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5381 days (14.73 yr)  
   first obs. used      2004-03-16  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:56:07  

Additional Information
 Earth MOID = 1.4193 au 
 Jupiter MOID = 2.42039 au 
 T_jup = 3.383 
[ 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 16.6   n/a MPO419227  

461570 (2004 JA55)          Discovered 2004-May-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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