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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .572868628025752 3.2347e-08  
a 1.928429328059007 4.4985e-09 au
q .823692664649221 6.0634e-08 au
i 8.922385533837314 8.4206e-06 deg
node 224.1664337996594 4.5205e-06 deg
peri 240.5734960020843 1.1361e-05 deg
M 93.99675986481215 1.1092e-05 deg
tp 2458745.103817681585
(2019-Sep-18.60381768)
2.9245e-05 TDB
period 978.1467549186038
2.68
3.4227e-06
9.371e-09
d
yr
n .3680429324022624 1.2878e-09 deg/d
Q 3.033165991468794 7.0756e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-10 05:58:10  

Additional Information
 Earth MOID = .00784253 au 
 Jupiter MOID = 2.21681 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. 2019-August); 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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