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JPL Small-Body Database Browser
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442233 (2011 LR9)
Classification: Main-belt Asteroid          SPK-ID: 2442233
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06775845752718103 6.687e-08  
a 2.273473640408882 7.1123e-08 au
q 2.119426573306071 1.7276e-07 au
i 7.358925957788734 1.1884e-05 deg
node 129.9417228085485 7.111e-05 deg
peri 111.0114077736179 0.0001705 deg
M 120.1104627139276 0.00017344 deg
tp 2458182.754624467541
(2018-Mar-05.25462447)
0.00058767 TDB
period 1252.083555367461
3.43
5.8755e-05
1.609e-07
d
yr
n .287520747682328 1.3492e-08 deg/d
Q 2.427520707511692 7.5943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      3647 days (9.98 yr)  
   first obs. used      2007-02-08  
   last obs. used      2017-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58455  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:37  

Additional Information
 Earth MOID = 1.11879 au 
 Jupiter MOID = 2.58797 au 
 T_jup = 3.597 
[ 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 MPO368907  

442233 (2011 LR9)          Discovered 2011-Jun-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 LR9 = 2014 EZ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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