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135289 (2001 SD156)
Classification: Main-belt Asteroid          SPK-ID: 2135289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .001711443460087382 4.2133e-08  
a 3.087778729594794 2.604e-08 au
q 3.082494170881832 1.3533e-07 au
i 8.30570401246667 6.356e-06 deg
node 308.1100473392902 3.1026e-05 deg
peri 321.0135302031611 0.0021768 deg
M 287.2595323341203 0.0021799 deg
tp 2459600.943521430754
(2022-Jan-21.44352143)
0.012002 TDB
period 1981.835865796783
5.43
2.507e-05
6.864e-08
d
yr
n .1816497552663195 2.2979e-09 deg/d
Q 3.093063288307755 2.6085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      6813 days (18.65 yr)  
   first obs. used      2001-08-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:20  

Additional Information
 Earth MOID = 2.06587 au 
 Jupiter MOID = 1.94015 au 
 T_jup = 3.210 
[ 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 14.90   n/a E2021B55  
diameter diameter 4.629 km 0.785 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135289 (2001 SD156)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 SD156 = 2004 CP108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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