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442399 (2011 UL49)
Classification: Main-belt Asteroid          SPK-ID: 2442399
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057154650434077 9.4388e-08  
a 2.766882085174816 7.4845e-08 au
q 2.474379858820287 2.9914e-07 au
i 4.257810069213957 9.3736e-06 deg
node 214.7606479055317 0.00012289 deg
peri 186.8861492795044 0.00013306 deg
M 311.6482749515425 6.3935e-05 deg
tp 2459226.284370961777
(2021-Jan-11.78437096)
0.00030516 TDB
period 1681.064604515754
4.60
6.821e-05
1.867e-07
d
yr
n .2141500088889809 8.6892e-09 deg/d
Q 3.059384311529345 8.2757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      4167 days (11.41 yr)  
   first obs. used      2006-10-20  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:27:16  

Additional Information
 Earth MOID = 1.48269 au 
 Jupiter MOID = 2.3161 au 
 T_jup = 3.327 
[ 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 MPO440831  

442399 (2011 UL49)          Discovered 2008-Jan-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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