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181548 (2006 UG220)
Classification: Main-belt Asteroid          SPK-ID: 2181548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230537435598112 4.0864e-08  
a 2.658477562071689 1.415e-08 au
q 2.331341945889007 1.0633e-07 au
i 3.358709481906686 5.0248e-06 deg
node 12.18527456102987 7.0588e-05 deg
peri 22.79907994662066 7.3257e-05 deg
M 142.5701704131476 1.9257e-05 deg
tp 2458769.490539626611
(2019-Oct-12.99053963)
8.3689e-05 TDB
period 1583.244272489165
4.33
1.2641e-05
3.461e-08
d
yr
n .2273812110079581 1.8154e-09 deg/d
Q 2.98561317825437 1.5891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      6693 days (18.32 yr)  
   first obs. used      2002-12-11  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:24  

Additional Information
 Earth MOID = 1.33756 au 
 Jupiter MOID = 2.43552 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457367.5 (2015-Dec-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218023176227269 4.1126e-08  
q 2.334481138740683 1.0698e-07 au
tp 2457179.828960625487
(2015-Jun-06.32896063)
8.333e-05 TDB
node 12.26221505733915 7.0409e-05 deg
peri 21.54459507255321 7.3163e-05 deg
i 3.365330504390486 5.0301e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      6693 days (18.32 yr)  
   first obs. used      2002-12-11  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:24  

Additional Information
 Jupiter MOID = 2.43552 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.691349290712882E-15 -4.371517972614704E-15 -1.085643902305691E-12 1.60179265382842E-14 -2.830518802559105E-13 -1.030418988308947E-15
q -4.371517972614704E-15 1.144398790919286E-14 2.936064218006065E-12 -4.272193296567604E-14 7.657689711204635E-13 2.833425423381801E-15
tp -1.085643902305691E-12 2.936064218006065E-12 6.943853925974385E-9 -9.473730395447625E-12 1.673273371657957E-9 1.935748977470366E-12
node 1.60179265382842E-14 -4.272193296567604E-14 -9.473730395447625E-12 4.95741832123195E-9 -4.950975460101753E-9 -9.426414339013405E-11
peri -2.830518802559105E-13 7.657689711204635E-13 1.673273371657957E-9 -4.950975460101753E-9 5.352851100287014E-9 9.457425772522188E-11
i -1.030418988308947E-15 2.833425423381801E-15 1.935748977470366E-12 -9.426414339013405E-11 9.457425772522188E-11 2.530146339529494E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.40   n/a MPCxxxxx  
diameter diameter 3.145 km 1.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181548 (2006 UG220)          Discovered 2006-Oct-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 UG220 = 2002 XS75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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