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JPL Small-Body Database Browser
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359759 (2011 UN99)
Classification: Main-belt Asteroid          SPK-ID: 2359759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103775440576606 6.6859e-08  
a 2.707043500571747 3.9841e-08 au
q 2.426118868639876 1.9399e-07 au
i 2.568670050047652 7.9944e-06 deg
node 346.2209574834971 0.00015358 deg
peri 58.15971277538146 0.00016451 deg
M 247.48153688961 5.8814e-05 deg
tp 2459108.966763015935
(2020-Sep-16.46676302)
0.00027253 TDB
period 1626.826652494809
4.45
3.5914e-05
9.833e-08
d
yr
n .2212897111366625 4.8852e-09 deg/d
Q 2.987968132503618 4.3975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4724 days (12.93 yr)  
   first obs. used      2006-08-19  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:45:01  

Additional Information
 Earth MOID = 1.43565 au 
 Jupiter MOID = 2.3645 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457202.5 (2015-Jun-29.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049955481474754 6.6741e-08  
q 2.422181900505602 1.9459e-07 au
tp 2457476.301367895987
(2016-Mar-28.80136790)
0.00024669 TDB
node 346.4759465224631 0.00015311 deg
peri 56.71179391485693 0.00016375 deg
i 2.57440385844507 8.0016e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4724 days (12.93 yr)  
   first obs. used      2006-08-19  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:45:01  

Additional Information
 Jupiter MOID = 2.3645 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.454386997090924E-15 -1.278433571163062E-14 -3.840072969414913E-13 3.671639361522158E-14 9.156893129004105E-14 -2.53873472942583E-15
q -1.278433571163062E-14 3.786473697105139E-14 5.901032227241786E-12 -1.086315053257663E-13 8.327233590172162E-13 9.070337970717095E-15
tp -3.840072969414913E-13 5.901032227241786E-12 6.085450312807314E-8 1.91178413905446E-11 1.435374670860794E-8 1.122747707307175E-11
node 3.671639361522158E-14 -1.086315053257663E-13 1.91178413905446E-11 2.344114631766812E-8 -2.340995812765705E-8 -2.036540368364222E-10
peri 9.156893129004105E-14 8.327233590172162E-13 1.435374670860794E-8 -2.340995812765705E-8 2.681363937680404E-8 2.05940488087251E-10
i -2.53873472942583E-15 9.070337970717095E-15 1.122747707307175E-11 -2.036540368364222E-10 2.05940488087251E-10 6.40256420267386E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO349028  

359759 (2011 UN99)          Discovered 2006-Aug-19 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2011 UN99 = 2006 QR152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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