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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 138 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3764104456462099 5.3208e-09  
a 1.620503983657065 1.1063e-08 au
q 1.010529356997251 6.5214e-09 au
i 4.572339844796844 9.3108e-07 deg
node 285.9913050426186 2.0839e-06 deg
peri 8.764530604543753 4.4731e-06 deg
M 298.7215234330626 6.6459e-06 deg
tp 2458728.756398461142
(2019-Sep-02.25639846)		 1.5164e-05 TDB
period 753.4832135647945
2.06		 7.7157e-06
2.112e-08		 d
yr
n .4777810487599435 4.8925e-09 deg/d
Q 2.230478610316879 1.5227e-08 au
   Orbit Determination Parameters
   # obs. used (total)      946  
   # delay obs. used      8  
   # Doppler obs. used      0  
   data-arc span      2718 days (7.44 yr)  
   first obs. used      2011-10-25  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-09 07:33:16  

Additional Information
 Earth MOID = .00291383 au 
 Jupiter MOID = 2.98443 au 
 T_jup = 4.242 
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[ 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 19.9   n/a MPO360997  
rotation period rot_per 0.61073 h n/a LCDB (Rev. 2019-January); 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.]

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

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