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344046 (2012 QJ19)
Classification: Main-belt Asteroid          SPK-ID: 2344046
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05793165516823794 4.3653e-08  
a 2.609241595641657 2.0699e-08 au
q 2.458083911272322 1.1883e-07 au
i 5.609340419810285 4.9108e-06 deg
node 229.2596387642861 5.9223e-05 deg
peri 33.04807882466964 7.9393e-05 deg
M 5.913766570000177 5.5294e-05 deg
tp 2458975.211006549726
(2020-May-05.71100655)
0.00023636 TDB
period 1539.465167306777
4.21
1.8319e-05
5.015e-08
d
yr
n .2338474475715506 2.7826e-09 deg/d
Q 2.760399280010992 2.1898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:54  

Additional Information
 Earth MOID = 1.44501 au 
 Jupiter MOID = 2.26517 au 
 T_jup = 3.401 
[ 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 16.3   n/a MPO434163  

344046 (2012 QJ19)          Discovered 1995-Jun-24 by Spacewatch at Kitt Peak
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

[ show close-approach data ]
Alternate Designations
 2012 QJ19 = 1995 ML2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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