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441817 (2009 LM4)
Classification: Main-belt Asteroid          SPK-ID: 2441817
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 .177482656137984 7.7774e-08  
a 3.135239873414867 4.8782e-08 au
q 2.57878917305148 2.6734e-07 au
i 23.34737655351776 8.6111e-06 deg
node 110.9014348287037 1.4608e-05 deg
peri 139.3421871924754 2.7319e-05 deg
M 345.8728492673224 1.9397e-05 deg
tp 2459080.071338904494
(2020-Aug-18.57133890)
0.0001094 TDB
period 2027.704138482593
5.55
4.7324e-05
1.296e-07
d
yr
n .1775406940133789 4.1436e-09 deg/d
Q 3.691690573778255 5.744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      2002-01-12  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:21  

Additional Information
 Earth MOID = 1.60072 au 
 Jupiter MOID = 1.61106 au 
 T_jup = 3.062 
[ 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 15.5   n/a E2015L43  

441817 (2009 LM4)          Discovered 2009-Jun-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 LM4 = 2002 AL192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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