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129132 (2004 YS28)
Classification: Main-belt Asteroid          SPK-ID: 2129132
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01952023358931671 4.8746e-08  
a 2.642817342342414 2.0203e-08 au
q 2.591228930485992 1.2093e-07 au
i 1.378802806443981 7.074e-06 deg
node 3.763081854618608 0.00020651 deg
peri 117.8911140783162 0.00028413 deg
M 173.6097693184049 0.00019715 deg
tp 2458243.717975100860
(2018-May-05.21797510)
0.00085764 TDB
period 1569.275335329922
4.30
1.7995e-05
4.927e-08
d
yr
n .2294052496047892 2.6306e-09 deg/d
Q 2.694405754198835 2.0598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8627 days (23.62 yr)  
   first obs. used      1995-09-27  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:09  

Additional Information
 Earth MOID = 1.60694 au 
 Jupiter MOID = 2.29233 au 
 T_jup = 3.394 
[ 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 16.6   n/a MPO469346  
diameter diameter 3.028 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129132 (2004 YS28)          Discovered 2004-Dec-16 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2004 YS28 = 1995 WT22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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