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181240 (2005 UQ4)
Classification: Main-belt Asteroid          SPK-ID: 2181240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3031562078229375 1.2661e-07  
a 2.537179490305587 2.2522e-08 au
q 1.768017777458412 3.2809e-07 au
i 13.51545480119315 6.2726e-06 deg
node 195.8389163606958 2.4588e-05 deg
peri 146.6928460480949 3.0627e-05 deg
M 260.3407171997155 2.9161e-05 deg
tp 2459609.139619897588
(2022-Jan-29.63961990)
0.00012315 TDB
period 1476.132067475724
4.04
1.9655e-05
5.381e-08
d
yr
n .2438806174136045 3.2473e-09 deg/d
Q 3.306341203152763 2.9349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2001-08-20  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:47  

Additional Information
 Earth MOID = .775941 au 
 Jupiter MOID = 2.20847 au 
 T_jup = 3.345 
[ 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 15.29   n/a E2021B55  

181240 (2005 UQ4)          Discovered 2005-Oct-26 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 UQ4 = 2004 FP150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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