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JPL Small-Body Database Browser
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359857 (2011 UN400)
Classification: Main-belt Asteroid          SPK-ID: 2359857
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03255815612006001 1.301e-07  
a 2.72671698087948 6.8834e-08 au
q 2.637940103720787 4.0231e-07 au
i 6.946716487318482 8.5638e-06 deg
node 47.62107984496852 8.782e-05 deg
peri 282.5764273559427 0.00017935 deg
M 315.1147517270022 0.00015254 deg
tp 2458805.549942563748
(2019-Nov-18.04994256)
0.00069295 TDB
period 1644.593316583188
4.50
6.2275e-05
1.705e-07
d
yr
n .2188991019055928 8.289e-09 deg/d
Q 2.815493858038173 7.1075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      4280 days (11.72 yr)  
   first obs. used      2007-12-05  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48461  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:45:09  

Additional Information
 Earth MOID = 1.63744 au 
 Jupiter MOID = 2.28552 au 
 T_jup = 3.345 
[ 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 16.8   n/a MPO440611  

359857 (2011 UN400)          Discovered 2007-Dec-05 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 UN400 = 2007 YQ40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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