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90156 (2002 YS29)
Classification: Main-belt Asteroid          SPK-ID: 2090156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165910231131401 4.3995e-08  
a 3.170043987276213 2.6149e-08 au
q 2.644101256650508 1.4234e-07 au
i 10.92179344793328 5.0653e-06 deg
node 108.6773827115 2.6926e-05 deg
peri 109.9919830158199 3.1077e-05 deg
M 310.2831431851742 1.6671e-05 deg
tp 2459285.206592044562
(2021-Mar-11.70659204)
9.6932e-05 TDB
period 2061.561806245923
5.64
2.5508e-05
6.984e-08
d
yr
n .1746248882324588 2.1607e-09 deg/d
Q 3.695986717901917 3.0488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      10233 days (28.02 yr)  
   first obs. used      1992-01-30  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:05:01  

Additional Information
 Earth MOID = 1.6609 au 
 Jupiter MOID = 1.4515 au 
 T_jup = 3.153 
[ show covariance matrix ]

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 14.5   n/a MPO426560  
diameter diameter 7.522 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90156 (2002 YS29)          Discovered 2002-Dec-31 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2002 YS29 = 2004 HF17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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