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22075 (2000 AL138)
Classification: Main-belt Asteroid          SPK-ID: 2022075
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07725938411921651 3.6657e-08  
a 2.641768419765491 1.1081e-08 au
q 2.437667018668813 9.9432e-08 au
i 10.25682562104501 3.5217e-06 deg
node 79.80787980990522 2.397e-05 deg
peri 237.6406784600385 3.6598e-05 deg
M 34.65272512081301 2.6366e-05 deg
tp 2459049.535290358907
(2020-Jul-19.03529036)
0.0001151 TDB
period 1568.341170321169
4.29
9.8676e-06
2.702e-08
d
yr
n .2295418922952065 1.4442e-09 deg/d
Q 2.845869820862169 1.1937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1543  
   data-arc span      9153 days (25.06 yr)  
   first obs. used      1995-12-28  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:59:10  

Additional Information
 Earth MOID = 1.43855 au 
 Jupiter MOID = 2.35297 au 
 T_jup = 3.368 
[ 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 14.32   n/a E2021B10  
diameter diameter 4.445 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22075 (2000 AL138)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AL138 = 1996 AJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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