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442404 (2011 UG66)
Classification: Main-belt Asteroid          SPK-ID: 2442404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .052635412816641 7.719e-08  
a 2.695641221200275 4.4673e-08 au
q 2.553755032716845 1.9034e-07 au
i 7.765513556744495 6.8944e-06 deg
node 73.19499335729455 6.0876e-05 deg
peri 193.1709977799976 0.0001545 deg
M 99.23573757588224 0.00013169 deg
tp 2458554.887708748011
(2019-Mar-12.38770875)
0.00059537 TDB
period 1616.559001519466
4.43
4.0185e-05
1.1e-07
d
yr
n .2226952432058601 5.5358e-09 deg/d
Q 2.837527409683706 4.7024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5248 days (14.37 yr)  
   first obs. used      2005-04-07  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:08  

Additional Information
 Earth MOID = 1.53867 au 
 Jupiter MOID = 2.19722 au 
 T_jup = 3.355 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO446755  

442404 (2011 UG66)          Discovered 2005-Apr-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UG66 = 2005 GM129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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