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541616 (2011 UN117)
Classification: Main-belt Asteroid          SPK-ID: 2541616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3299209896791181 1.4732e-07  
a 2.584521302186767 5.3965e-08 au
q 1.731833476322546 4.1427e-07 au
i 4.960283224716489 5.8195e-06 deg
node 297.8363041813995 5.5581e-05 deg
peri 25.82713090558547 8.6469e-05 deg
M 110.5254035046942 3.1308e-05 deg
tp 2458734.561916182068
(2019-Sep-08.06191618)
0.00013689 TDB
period 1517.63942818206
4.16
4.7533e-05
1.301e-07
d
yr
n .2372104950062048 7.4295e-09 deg/d
Q 3.437209128050989 7.177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      4388 days (12.01 yr)  
   first obs. used      2007-11-12  
   last obs. used      2019-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:50  

Additional Information
 Earth MOID = .719166 au 
 Jupiter MOID = 1.92118 au 
 T_jup = 3.339 
[ 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 17.6   n/a MPO535741  

541616 (2011 UN117)          Discovered 2007-Nov-12 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

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