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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 139 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3764017844819093 5.198e-09  
a 1.620693327336233 1.0676e-08 au
q 1.010661466828952 6.4844e-09 au
i 4.572471962508846 9.2676e-07 deg
node 285.9888734250004 2.0781e-06 deg
peri 8.770391949422988 4.437e-06 deg
M 129.8091589802167 8.2006e-06 deg
tp 2458728.760652416384
(2019-Sep-02.26065242)
1.458e-05 TDB
period 753.6152756756611
2.06
7.4461e-06
2.039e-08
d
yr
n .477697323315585 4.7199e-09 deg/d
Q 2.230725187843515 1.4694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   # 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      .32773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:18:45  

Additional Information
 Earth MOID = .00223945 au 
 Jupiter MOID = 2.98617 au 
 T_jup = 4.241 
[ 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 19.9   n/a MPO360997  
rotation period rot_per 0.61073 h n/a LCDB (Rev. 2019-August); 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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