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JPL Small-Body Database Browser
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390728 (2003 JB12)
Classification: Main-belt Asteroid          SPK-ID: 2390728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .04571275827045827 1.0565e-07  
a 3.083420330682828 4.3846e-08 au
q 2.942468682460107 3.3773e-07 au
i 10.05833496163384 1.2437e-05 deg
node 204.8775574121079 3.0528e-05 deg
peri 333.243210939492 8.9181e-05 deg
M 6.357705608578285 8.126e-05 deg
tp 2458565.574274388347
(2019-Mar-23.07427439)
0.00044648 TDB
period 1977.641305572601
5.41
4.2182e-05
1.155e-07
d
yr
n .1820350328371436 3.8827e-09 deg/d
Q 3.224371978905548 4.585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      2003-04-05  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:16:15  

Additional Information
 Earth MOID = 1.94789 au 
 Jupiter MOID = 1.75021 au 
 T_jup = 3.202 
[ 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 15.9   n/a MPO472015  

390728 (2003 JB12)          Discovered 2003-Apr-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2003 JB12 = 2011 UM27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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