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423674 (2005 YA189)
Classification: Main-belt Asteroid          SPK-ID: 2423674
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3033350849060725 6.8957e-08  
a 2.75023703803866 2.6188e-08 au
q 1.915993652593377 1.8253e-07 au
i 26.67120642128318 5.0366e-06 deg
node 138.6830545849703 1.1854e-05 deg
peri 83.73683772104906 2.391e-05 deg
M 6.67418865319427 1.154e-05 deg
tp 2458969.614858587167
(2020-Apr-30.11485859)
5.356e-05 TDB
period 1665.917984397758
4.56
2.3795e-05
6.515e-08
d
yr
n .2160970728280737 3.0866e-09 deg/d
Q 3.584480423483942 3.4132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      5284 days (14.47 yr)  
   first obs. used      2005-12-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:07:31  

Additional Information
 Earth MOID = 1.10241 au 
 Jupiter MOID = 2.06816 au 
 T_jup = 3.130 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458082.5 (2017-Nov-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3033904456004645 6.8874e-08  
q 1.916519554345976 1.8226e-07 au
tp 2457302.429281894637
(2015-Oct-06.92928189)
6.599e-05 TDB
node 138.7075414133505 1.1858e-05 deg
peri 83.61339972142005 2.3905e-05 deg
i 26.66500767157412 5.0361e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      5284 days (14.47 yr)  
   first obs. used      2005-12-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:07:31  

Additional Information
 Jupiter MOID = 2.06816 au 
 T_jup = 3.130 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.743640413952423E-15 -1.250195969477958E-14 6.737876209090941E-13 5.810368029769574E-15 5.663458539072153E-13 -1.466113077847249E-13
q -1.250195969477958E-14 3.321723025841847E-14 -2.635827387738988E-12 -1.300479918685393E-14 -1.720702011583327E-12 3.902982910065626E-13
tp 6.737876209090941E-13 -2.635827387738988E-12 4.354643303314962E-9 -1.153447792221916E-12 1.340957756419373E-9 -3.498422925022778E-11
node 5.810368029769574E-15 -1.300479918685393E-14 -1.153447792221916E-12 1.406067747602638E-10 -1.248326359425786E-10 3.826153609308269E-13
peri 5.663458539072153E-13 -1.720702011583327E-12 1.340957756419373E-9 -1.248326359425786E-10 5.71463926809599E-10 -2.221063211576081E-11
i -1.466113077847249E-13 3.902982910065626E-13 -3.498422925022778E-11 3.826153609308269E-13 -2.221063211576081E-11 2.536258319590822E-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 16.6   n/a MPO456024  
diameter diameter 3.296 km 0.956 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423674 (2005 YA189)          Discovered 2005-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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