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JPL Small-Body Database Browser
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359844 (2011 UN343)
Classification: Main-belt Asteroid          SPK-ID: 2359844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752556811146839 5.6048e-08  
a 3.146627215478 4.761e-08 au
q 2.595162919615401 1.7842e-07 au
i 12.3729285707871 5.2808e-06 deg
node 125.6237774777952 4.1441e-05 deg
peri 312.2795766514183 5.4084e-05 deg
M 93.58698335084621 3.724e-05 deg
tp 2458070.495793358611
(2017-Nov-12.99579336)
0.00020229 TDB
period 2038.761241780905
5.58
4.6272e-05
1.267e-07
d
yr
n .1765778123609666 4.0076e-09 deg/d
Q 3.698091511340598 5.5954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      8554 days (23.42 yr)  
   first obs. used      1995-12-25  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:45:08  

Additional Information
 Earth MOID = 1.6294 au 
 Jupiter MOID = 1.60204 au 
 T_jup = 3.149 
[ 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 16.2   n/a MPO434269  

359844 (2011 UN343)          Discovered 1995-Dec-25 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 UN343 = 1995 YR20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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