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22326 (1991 SZ)
Classification: Main-belt Asteroid          SPK-ID: 2022326
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496735236762136 1.4093e-08  
a 2.398767975944243 7.8118e-09 au
q 2.03973592050301 3.6522e-08 au
i 7.239205564213145 7.4936e-07 deg
node 52.70607539337962 1.0124e-05 deg
peri 262.0144556449978 1.2759e-05 deg
M 340.6154500141209 9.8595e-06 deg
tp 2459273.569142848222
(2021-Feb-28.06914285)
3.7261e-05 TDB
period 1357.002945362257
3.72
6.6288e-06
1.815e-08
d
yr
n .2652905074600975 1.2959e-09 deg/d
Q 2.757800031385477 8.9811e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2102  
   data-arc span      10595 days (29.01 yr)  
   first obs. used      1991-09-05  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:04:32  

Additional Information
 Earth MOID = 1.03939 au 
 Jupiter MOID = 2.52603 au 
 T_jup = 3.501 
[ 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 14.11   n/a E2021B10  

22326 (1991 SZ)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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