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441709 (2009 AM42)
Classification: Main-belt Asteroid          SPK-ID: 2441709
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144822606063436 1.011e-07  
a 2.547166456524806 3.7021e-08 au
q 2.255561082441196 2.6727e-07 au
i 4.692398424266533 1.0797e-05 deg
node 262.4595205405983 0.00014352 deg
peri 182.508976496308 0.00015189 deg
M 321.1830814721877 5.193e-05 deg
tp 2459160.604291287388
(2020-Nov-07.10429129)
0.00021491 TDB
period 1484.85627013804
4.07
3.2372e-05
8.863e-08
d
yr
n .2424477084011185 5.2856e-09 deg/d
Q 2.838771830608415 4.1259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      5820 days (15.93 yr)  
   first obs. used      2001-02-20  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67052  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:35:44  

Additional Information
 Earth MOID = 1.27173 au 
 Jupiter MOID = 2.35483 au 
 T_jup = 3.428 
[ 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 18.2   n/a MPO402742  

441709 (2009 AM42)          Discovered 2009-Jan-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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