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JPL Small-Body Database Browser
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437771 (2015 AC198)
Classification: Main-belt Asteroid          SPK-ID: 2437771
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08068902977237276 9.2739e-08  
a 2.662208908131301 7.6083e-08 au
q 2.447397854282818 2.9009e-07 au
i 6.464070058588624 8.2399e-06 deg
node 116.9475456962308 7.7601e-05 deg
peri 248.4234694583587 9.3338e-05 deg
M 105.86256993614 5.9615e-05 deg
tp 2458133.946386575553
(2018-Jan-15.44638658)
0.00025272 TDB
period 1586.578721205424
4.34
6.8014e-05
1.862e-07
d
yr
n .2269033330577415 9.727e-09 deg/d
Q 2.877019961979783 8.2222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      2881 days (7.89 yr)  
   first obs. used      2009-09-28  
   last obs. used      2017-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67218  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:18:36  

Additional Information
 Earth MOID = 1.45275 au 
 Jupiter MOID = 2.51458 au 
 T_jup = 3.371 
[ 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 16.9   n/a MPO419197  

437771 (2015 AC198)          Discovered 2009-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2015 AC198 = 2009 WR146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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