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22048 (1999 XK238)
Classification: Main-belt Asteroid          SPK-ID: 2022048
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182325670349418 3.5463e-08  
a 2.709699157015911 1.3103e-08 au
q 2.389324469789503 9.4743e-08 au
i 12.31925407510405 3.4833e-06 deg
node 159.1829110232171 1.7219e-05 deg
peri 343.4560381434164 2.28e-05 deg
M 189.1679754978405 1.6441e-05 deg
tp 2459973.619857301806
(2023-Jan-29.11985730)
7.6654e-05 TDB
period 1629.22115709711
4.46
1.1817e-05
3.235e-08
d
yr
n .220964476450475 1.6027e-09 deg/d
Q 3.03007384424232 1.4652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      8547 days (23.40 yr)  
   first obs. used      1997-05-27  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:27  

Additional Information
 Earth MOID = 1.40345 au 
 Jupiter MOID = 1.97892 au 
 T_jup = 3.320 
[ 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 14.39   n/a E2021B10  
diameter diameter 3.574 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22048 (1999 XK238)          Discovered 1999-Dec-03 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK238 = 1997 KS1 = 1998 UO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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