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JPL Small-Body Database Browser
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442813 (2013 AM44)
Classification: Main-belt Asteroid          SPK-ID: 2442813
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07491486786950585 8.1239e-08  
a 2.804197858169164 5.9074e-08 au
q 2.59412174614447 2.2385e-07 au
i 4.76627772832568 9.5336e-06 deg
node 107.7220973695113 0.0001088 deg
peri 331.283466407566 0.00013003 deg
M 252.4502133668004 7.6081e-05 deg
tp 2459512.911017569553
(2021-Oct-25.41101757)
0.00037122 TDB
period 1715.186725141263
4.70
5.4199e-05
1.484e-07
d
yr
n .2098896841510655 6.6324e-09 deg/d
Q 3.014273970193858 6.35e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      4221 days (11.56 yr)  
   first obs. used      2007-12-16  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .74708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:00  

Additional Information
 Earth MOID = 1.61104 au 
 Jupiter MOID = 2.15375 au 
 T_jup = 3.315 
[ 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 17.2   n/a MPO434644  

442813 (2013 AM44)          Discovered 2007-Dec-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 AM44 = 2007 YE21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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