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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744889415998025 5.5998e-08  
a 3.148405698081767 4.7799e-08 au
q 2.599043720096692 1.7842e-07 au
i 12.37341063250737 5.2807e-06 deg
node 125.6099136190463 4.1421e-05 deg
peri 312.3364524492595 5.4233e-05 deg
M 164.1963014556332 3.866e-05 deg
tp 2458069.830822216129
(2017-Nov-12.33082222)
0.00020338 TDB
period 2040.48995642404
5.59
4.6468e-05
1.272e-07
d
yr
n .1764282146386549 4.0178e-09 deg/d
Q 3.697767676066841 5.6139e-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 = 1.63329 au 
 Jupiter MOID = 1.60075 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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