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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102145548282988 4.4908e-08  
a 2.964818587885658 1.8648e-08 au
q 2.341570568286609 1.3834e-07 au
i 4.539082126350403 6.8152e-06 deg
node 328.7690027043271 5.4302e-05 deg
peri 54.42442521396138 5.6692e-05 deg
M 72.39834899321535 1.6946e-05 deg
tp 2458225.508195958802
(2018-Apr-17.00819596)
8.59e-05 TDB
period 1864.642651830114
5.11
1.7593e-05
4.817e-08
d
yr
n .1930664836217633 1.8216e-09 deg/d
Q 3.588066607484707 2.2569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      9593 days (26.26 yr)  
   first obs. used      1992-10-25  
   last obs. used      2019-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:38:57  

Additional Information
 Earth MOID = 1.34762 au 
 Jupiter MOID = 1.90609 au 
 T_jup = 3.226 
[ 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 14.4   n/a MPO319643  
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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