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436724 (2011 UW158)
Classification: Apollo [NEO, PHA]          SPK-ID: 2436724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 141 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3763919288371352 4.8626e-09  
a 1.620601384821476 9.4441e-09 au
q 1.010620103712388 6.4775e-09 au
i 4.57205644648829 9.1963e-07 deg
node 285.9851113758563 2.0313e-06 deg
peri 8.801031751124873 4.2732e-06 deg
M 318.9337380969914 9.1164e-06 deg
tp 2459482.459802143908
(2021-Sep-24.95980214)
1.9817e-05 TDB
period 753.5511472871571
2.06
6.587e-06
1.803e-08
d
yr
n .4777379761095555 4.1761e-09 deg/d
Q 2.230582665930564 1.2999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   # delay obs. used      8  
   # Doppler obs. used      0  
   data-arc span      3403 days (9.32 yr)  
   first obs. used      2011-10-25  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:24:07  

Additional Information
 Earth MOID = .00251344 au 
 Jupiter MOID = 2.98502 au 
 T_jup = 4.242 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457134.5 (2015-Apr-22.0) TDB
Reference: JPL 141 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3748250314860161 5.3243e-09  
q 1.010532964835855 6.4565e-09 au
tp 2457222.121925045381
(2015-Jul-18.62192505)
4.1782e-06 TDB
node 286.2883834412987 1.96e-06 deg
peri 8.641371085615647 4.2792e-06 deg
i 4.648111363550605 9.2297e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      956  
   # delay obs. used      8  
   # Doppler obs. used      0  
   data-arc span      3403 days (9.32 yr)  
   first obs. used      2011-10-25  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:24:07  

Additional Information
 Jupiter MOID = 2.98502 au 
 T_jup = 4.242 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.83476391165428E-17 -2.473360316822678E-17 -4.509541373210782E-15 -2.440472518008949E-15 -2.148467551388477E-15 -2.88092646616322E-15
q -2.473360316822678E-17 4.16859859872784E-17 2.986841087706567E-15 8.693721945629897E-16 1.73907984802715E-15 3.716410599229639E-15
tp -4.509541373210782E-15 2.986841087706567E-15 1.745754017902118E-11 3.421565491339295E-12 1.619045562794509E-11 1.13501771591691E-12
node -2.440472518008949E-15 8.693721945629897E-16 3.421565491339295E-12 3.841717279883164E-12 -5.331798703204948E-14 1.443762396663537E-12
peri -2.148467551388477E-15 1.73907984802715E-15 1.619045562794509E-11 -5.331798703204948E-14 1.831181704626197E-11 -2.509203464207843E-13
i -2.88092646616322E-15 3.716410599229639E-15 1.13501771591691E-12 1.443762396663537E-12 -2.509203464207843E-13 8.518693400752124E-13

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 19.85   n/a MPCxxxxx  
rotation period rot_per 0.61073 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Carbognani, A.; Gary, Bruce L.; Oey, J.; Baj, G.; Bacci, P. (2016) Minor Planet Bull. 43, 38-41.]
[Gary, B.L. (2016) Minor Planet Bull. 43, 33-38.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 66-79.]
[Monteiro, F.; Silva, J.S.; Lazzaro, D.; Arcoverde, P.; et al. (2018) Plan. Space Sci. 164, 54-74.]

436724 (2011 UW158)          Discovered 2011-Oct-25 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2015-06-04

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