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213392 (2001 UY161)
Classification: Main-belt Asteroid          SPK-ID: 2213392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752985850098678 5.0238e-08  
a 3.048947662867754 2.4944e-08 au
q 2.514471451797893 1.5281e-07 au
i 11.59354881296291 5.7546e-06 deg
node 73.50525198947487 2.3328e-05 deg
peri 334.0171562127588 2.7387e-05 deg
M 260.2657478533655 1.7862e-05 deg
tp 2459935.222625749591
(2022-Dec-21.72262575)
0.0001012 TDB
period 1944.569103347884
5.32
2.3864e-05
6.534e-08
d
yr
n .1851309883409147 2.2719e-09 deg/d
Q 3.583423873937615 2.9317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7166 days (19.62 yr)  
   first obs. used      2001-10-23  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:34:22  

Additional Information
 Earth MOID = 1.53037 au 
 Jupiter MOID = 1.80843 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765358090534402 5.0182e-08  
q 2.508889627089653 1.5225e-07 au
tp 2457996.021178291182
(2017-Aug-30.52117829)
8.481e-05 TDB
node 73.52346846592873 2.3312e-05 deg
peri 334.6187915848256 2.7308e-05 deg
i 11.60110673544934 5.7586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7166 days (19.62 yr)  
   first obs. used      2001-10-23  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:34:22  

Additional Information
 Jupiter MOID = 1.80843 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.518271985198813E-15 -7.568790409330538E-15 3.59918055131333E-13 1.043735048606584E-14 5.746134635720498E-14 2.679844625112143E-16
q -7.568790409330538E-15 2.317880788532953E-14 -1.077098385234071E-13 -3.242511248833881E-14 -2.927418933811826E-14 2.345415192547289E-16
tp 3.59918055131333E-13 -1.077098385234071E-13 7.192797467444628E-9 -4.121734070255111E-12 1.228380590165614E-9 8.076076362997308E-12
node 1.043735048606584E-14 -3.242511248833881E-14 -4.121734070255111E-12 5.434453941678356E-10 -5.327978324216639E-10 -2.447156231367609E-11
peri 5.746134635720498E-14 -2.927418933811826E-14 1.228380590165614E-9 -5.327978324216639E-10 7.457028457200616E-10 2.532657068215598E-11
i 2.679844625112143E-16 2.345415192547289E-16 8.076076362997308E-12 -2.447156231367609E-11 2.532657068215598E-11 3.316097220510069E-11

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 15.54   n/a E2021B55  

213392 (2001 UY161)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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