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494658 (2000 UG11)
Classification: Apollo [NEO, PHA]          SPK-ID: 2494658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5724262005776783 3.2323e-08  
a 1.929169247907046 4.691e-09 au
q .8248622250563183 6.0516e-08 au
i 8.914735754521994 8.4152e-06 deg
node 224.1150031247497 4.5291e-06 deg
peri 240.6554814109365 1.1404e-05 deg
M 167.5403260127383 1.1384e-05 deg
tp 2458745.018462579853
(2019-Sep-18.51846258)
2.9288e-05 TDB
period 978.7097672161963
2.68
3.5697e-06
9.773e-09
d
yr
n .3678312121314268 1.3416e-09 deg/d
Q 3.033476270757773 7.3762e-09 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      6049 days (16.56 yr)  
   first obs. used      2000-10-21  
   last obs. used      2017-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:46:20  

Additional Information
 Earth MOID = .0082085 au 
 Jupiter MOID = 2.21652 au 
 T_jup = 3.684 
[ 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 20.4   n/a MPO264919  
rotation period rot_per 4.44 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; et al. (2006) Icarus 181, 63-93.]

494658 (2000 UG11)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: Last Updated: 2017-06-12

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