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359822 (2011 UW298)
Classification: Main-belt Asteroid          SPK-ID: 2359822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145793309888797 9.4233e-08  
a 3.105752543736481 7.4102e-08 au
q 2.652954600689589 3.2255e-07 au
i 11.56139463751813 1.1574e-05 deg
node 151.1895776836371 4.4283e-05 deg
peri 257.2077792649939 6.1146e-05 deg
M 200.1111918530878 4.8628e-05 deg
tp 2459888.400428716927
(2022-Nov-04.90042872)
0.00029305 TDB
period 1999.165282690657
5.47
7.1548e-05
1.959e-07
d
yr
n .1800751559248165 6.4447e-09 deg/d
Q 3.558550486783373 8.4905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:24:41  

Additional Information
 Earth MOID = 1.69211 au 
 Jupiter MOID = 1.9724 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457010.5 (2014-Dec-19.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471855093365692 9.3679e-08  
q 2.647852415210316 3.2074e-07 au
tp 2457891.973475777223
(2017-May-18.47347578)
0.00024282 TDB
node 151.2207955785549 4.4297e-05 deg
peri 257.6486978405306 6.0972e-05 deg
i 11.5614359448071 1.1575e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:24:41  

Additional Information
 Jupiter MOID = 1.9724 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.775782810352397E-15 -2.953594960287702E-14 -1.265818944061623E-11 -4.713072430378455E-14 -2.167798549819226E-12 -1.232910186875414E-14
q -2.953594960287702E-14 1.028714209385017E-13 4.849499522086283E-11 1.666088848251898E-13 8.041197479573735E-12 4.796320157871414E-14
tp -1.265818944061623E-11 4.849499522086283E-11 5.896139008152573E-8 1.311124348971552E-10 1.019673918734281E-8 2.584355793342385E-11
node -4.713072430378455E-14 1.666088848251898E-13 1.311124348971552E-10 1.962214033553816E-9 -1.898105707038483E-9 1.91928565416441E-10
peri -2.167798549819226E-12 8.041197479573735E-12 1.019673918734281E-8 -1.898105707038483E-9 3.717585947307352E-9 -1.837854225925691E-10
i -1.232910186875414E-14 4.796320157871414E-14 2.584355793342385E-11 1.91928565416441E-10 -1.837854225925691E-10 1.339802734401231E-10

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 16.3   n/a MPO434269  

359822 (2011 UW298)          Discovered 2011-Sep-24 by Pan-STARRS 1 at Haleakala
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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