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46726 (1997 SA22)
Classification: Main-belt Asteroid          SPK-ID: 2046726
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2107394423439134 4.402e-08  
a 2.963054968835441 1.7924e-08 au
q 2.338622417068698 1.3509e-07 au
i 4.540420842291617 6.3709e-06 deg
node 328.7724761786043 4.7927e-05 deg
peri 54.30841379973757 5.0156e-05 deg
M 188.4005941333516 1.6976e-05 deg
tp 2460088.516976577504
(2023-May-24.01697658)
9.3416e-05 TDB
period 1862.979128356263
5.10
1.6904e-05
4.628e-08
d
yr
n .1932388798781841 1.7534e-09 deg/d
Q 3.587487520602183 2.1702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      10347 days (28.33 yr)  
   first obs. used      1992-10-25  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55662  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:59  

Additional Information
 Earth MOID = 1.34408 au 
 Jupiter MOID = 1.91075 au 
 T_jup = 3.227 
[ 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 14.44   n/a MPCxxxxx  
diameter diameter 8.716 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46726 (1997 SA22)          Discovered 1997-Sep-27 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SA22 = 1999 CU23 = 2005 GN224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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