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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141784632177274 1.0102e-07  
a 2.547462861509806 3.7521e-08 au
q 2.256597466878382 2.6708e-07 au
i 4.692327659570076 1.0796e-05 deg
node 262.4588072584613 0.00014351 deg
peri 182.4659319193443 0.00015193 deg
M 224.2243029915086 5.1704e-05 deg
tp 2459160.618296100333
(2020-Nov-07.11829610)
0.00021556 TDB
period 1485.115459090658
4.07
3.281e-05
8.983e-08
d
yr
n .2424053953491463 5.3554e-09 deg/d
Q 2.838328256141231 4.1805e-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 = 1.27271 au 
 Jupiter MOID = 2.35628 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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