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22267 (1981 ET23)
Classification: Main-belt Asteroid          SPK-ID: 2022267
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975354107055676 4.0326e-08  
a 2.239762382500123 5.9581e-09 au
q 1.797330000390081 9.133e-08 au
i 6.226842911496898 4.1859e-06 deg
node 6.209356195414749 2.9876e-05 deg
peri 356.9613695460851 3.1043e-05 deg
M 121.1426470160144 8.014e-06 deg
tp 2458788.501244264032
(2019-Nov-01.00124426)
2.6994e-05 TDB
period 1224.338048724836
3.35
4.8854e-06
1.338e-08
d
yr
n .2940364390169405 1.1733e-09 deg/d
Q 2.682194764610165 7.135e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      14636 days (40.07 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:59  

Additional Information
 Earth MOID = .79345 au 
 Jupiter MOID = 2.77444 au 
 T_jup = 3.602 
[ 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 15.18   n/a E2021B10  
diameter diameter 3.414 km 0.813 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.126   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

22267 (1981 ET23)          Discovered 1981-Mar-03 by Bus, S. J. at Siding Spring
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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