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359744 (2011 UN61)
Classification: Main-belt Asteroid          SPK-ID: 2359744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09295866488620547 5.7364e-08  
a 2.631054381360752 3.5884e-08 au
q 2.386475078826455 1.7306e-07 au
i 2.053342864864648 5.208e-06 deg
node 113.2529680266201 0.00025752 deg
peri 332.5553018712658 0.00026872 deg
M 340.5726092040537 7.9904e-05 deg
tp 2459084.621138041768
(2020-Aug-23.12113804)
0.00034722 TDB
period 1558.809930428514
4.27
3.189e-05
8.731e-08
d
yr
n .2309454109655542 4.7247e-09 deg/d
Q 2.875633683895049 3.922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5736 days (15.70 yr)  
   first obs. used      2004-02-12  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:17:39  

Additional Information
 Earth MOID = 1.40295 au 
 Jupiter MOID = 2.28436 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457384.5 (2015-Dec-28.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09105181221190282 5.7558e-08  
q 2.391791176016746 1.7367e-07 au
tp 2457522.523226481891
(2016-May-14.02322648)
0.00033409 TDB
node 113.3090460700026 0.0002578 deg
peri 331.8896478458251 0.00026955 deg
i 2.052638215403101 5.2054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5736 days (15.70 yr)  
   first obs. used      2004-02-12  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:17:39  

Additional Information
 Jupiter MOID = 2.28436 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.312945311981475E-15 -9.886926855607975E-15 -1.065280575093149E-11 -1.027012300326397E-13 -2.408263514711261E-12 -4.420894538306755E-15
q -9.886926855607975E-15 3.016208449911084E-14 3.531465007864208E-11 3.221728083075149E-13 8.01796702972468E-12 1.446205388792679E-14
tp -1.065280575093149E-11 3.531465007864208E-11 1.116167371552596E-7 5.329036147177159E-10 2.644451096086809E-8 3.064588771683179E-11
node -1.027012300326397E-13 3.221728083075149E-13 5.329036147177159E-10 6.645966356207589E-8 -6.628884545980809E-8 4.266744374379298E-10
peri -2.408263514711261E-12 8.01796702972468E-12 2.644451096086809E-8 -6.628884545980809E-8 7.265953006069222E-8 -4.190471162667012E-10
i -4.420894538306755E-15 1.446205388792679E-14 3.064588771683179E-11 4.266744374379298E-10 -4.190471162667012E-10 2.709567683768713E-11

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 17.2   n/a MPO494870  

359744 (2011 UN61)          Discovered 2007-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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