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JPL Small-Body Database Browser
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359742 (2011 UN56)
Classification: Main-belt Asteroid          SPK-ID: 2359742
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451939893181372 5.6156e-08  
a 2.716112610068924 3.3349e-08 au
q 2.321749384775718 1.5102e-07 au
i 6.487881562710662 7.593e-06 deg
node 243.9017028931731 5.6141e-05 deg
peri 271.7735402509447 6.2431e-05 deg
M 151.3944358912002 2.7605e-05 deg
tp 2457912.913251837908
(2017-Jun-08.41325184)
0.00012108 TDB
period 1635.008762912804
4.48
3.0112e-05
8.244e-08
d
yr
n .2201823061539145 4.0552e-09 deg/d
Q 3.110475835362128 3.8191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5231 days (14.32 yr)  
   first obs. used      2004-03-16  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55085  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:57:44  

Additional Information
 Earth MOID = 1.34293 au 
 Jupiter MOID = 1.94746 au 
 T_jup = 3.336 
[ 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 16.4   n/a MPO455596  

359742 (2011 UN56)          Discovered 2004-Mar-16 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Apr-04 22:07 00:06 Jupiter 1.95524388425153 1.95524298427275 1.95524478425121 2.03106540553483 1.80521898054016 2416209.421525323 6.23249337019303 425.969786652973 28.5151066458815 89.2271296777768 1939484.82875967 T 12 CATAB v2.0e-lin.ifort 2018-Oct-31 04:57:46 2018-Dec-18 01:57
1939-Apr-15 01:12 00:04 Jupiter 1.94322685010978 1.94322619372265 1.94322750649669 2.06980373688278 1.8472461817084 2429368.549890198 4.19154046793605 240.178301761847 22.4386359119249 -78.5001542102605 1534776.52741992 T 12 CATAB v2.0e-lin.ifort 2018-Oct-31 04:57:46 2018-Dec-18 01:57
1975-Apr-26 15:32 00:02 Jupiter 1.96476496925309 1.96476411742497 1.96476582108166 2.41555717142345 2.22995602862388 2442529.147220334 2.18697746072086 146.615687692964 19.8358349191977 -85.312808793773 1302858.94042264 T 12 CATAB v2.0e-lin.ifort 2018-Oct-31 04:57:46 2018-Dec-18 01:57
2104-Aug-23 08:19 00:05 Jupiter 1.99956662723425 1.99956508283059 1.99956817165109 2.20407821327264 2.00268686428757 2489764.846331785 4.79322317661184 305.108398957275 23.8562063201131 89.5175327748492 1878941.6474858 T 12 CATAB v2.0e-lin.ifort 2018-Oct-31 04:57:46 2018-Dec-18 01:57
2140-Sep-05 03:01 00:07 Jupiter 1.94622766313955 1.94622648924241 1.94622883705837 2.01115797714413 1.78166537334616 2502926.625506090 6.75914005853323 387.325386609677 24.064207610682 -84.3296748370321 1880235.40820149 T 12 CATAB v2.0e-lin.ifort 2018-Oct-31 04:57:46 2018-Dec-18 01:57
2176-Sep-15 11:29 00:09 Jupiter 1.93911805355366 1.93911744462781 1.93911866247917 2.17537823687604 1.96434575086928 2516085.978446342 8.70562539023985 477.942660115587 26.1078220944093 -76.4164702683327 1424398.0551723 T 12 CATAB v2.0e-lin.ifort 2018-Oct-31 04:57:46 2018-Dec-18 01:57

Alternate Designations
 2011 UN56 = 2004 FB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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