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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3033350804514141 7.0698e-08  
a 2.750237037239845 2.6624e-08 au
q 1.915993664288238 1.8814e-07 au
i 26.67120292151025 9.3632e-06 deg
node 138.6830549110589 1.1961e-05 deg
peri 83.73683620041423 2.4605e-05 deg
M 6.674189572849442 1.3618e-05 deg
tp 2458969.614854344873
(2020-Apr-30.11485435)
6.3112e-05 TDB
period 1665.917983671951
4.56
2.4191e-05
6.623e-08
d
yr
n .2160970729222228 3.138e-09 deg/d
Q 3.584480410191452 3.4701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      5236 days (14.34 yr)  
   first obs. used      2005-12-28  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:39:58  

Additional Information
 Earth MOID = 1.10241 au 
 Jupiter MOID = 2.06816 au 
 T_jup = 3.130 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457429.5 (2016-Feb-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3032904483170918 7.0546e-08  
q 1.916168535568237 1.8753e-07 au
tp 2457302.174206987816
(2015-Oct-06.67420699)
7.2119e-05 TDB
node 138.7203108805586 1.1961e-05 deg
peri 83.53455317625148 2.4618e-05 deg
i 26.67109385701097 9.3634e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      5236 days (14.34 yr)  
   first obs. used      2005-12-28  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:39:58  

Additional Information
 Jupiter MOID = 2.06816 au 
 T_jup = 3.130 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.976711594831303E-15 -1.317522691200441E-14 3.45582024256707E-13 1.344781840833966E-14 5.063544761578113E-13 -8.482539141340044E-14
q -1.317522691200441E-14 3.516918339786879E-14 -1.629559765069493E-12 -3.484615659872262E-14 -1.53321239284478E-12 2.18615846198906E-13
tp 3.45582024256707E-13 -1.629559765069493E-12 5.201164010899289E-9 5.275856760500002E-12 1.508517967070713E-9 1.03818007312682E-11
node 1.344781840833966E-14 -3.484615659872262E-14 5.275856760500002E-12 1.430557700070178E-10 -1.242671699312588E-10 8.769554700234135E-12
peri 5.063544761578113E-13 -1.53321239284478E-12 1.508517967070713E-9 -1.242671699312588E-10 6.060605366966095E-10 -1.123312824908305E-11
i -8.482539141340044E-14 2.18615846198906E-13 1.03818007312682E-11 8.769554700234135E-12 -1.123312824908305E-11 8.767292898317896E-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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