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JPL Small-Body Database Browser
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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5728686515660765 3.3995e-08  
a 1.928429330034231 4.8196e-09 au
q .8236926200970488 6.3669e-08 au
i 8.922378094490284 9.3519e-06 deg
node 224.1664330307316 4.522e-06 deg
peri 240.5735039107222 1.1779e-05 deg
M 93.99675449058857 1.1947e-05 deg
tp 2458745.103831891360
(2019-Sep-18.60383189)
3.1506e-05 TDB
period 978.146756421427
2.68
3.6669e-06
1.004e-08
d
yr
n .3680429318368018 1.3797e-09 deg/d
Q 3.033166039971413 7.5806e-09 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   # 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      .39173  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jun-12 13:23:06  

Additional Information
 Earth MOID = .00784252 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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