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22025 (1999 XS118)
Classification: Main-belt Asteroid          SPK-ID: 2022025
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 .1560139663271956 3.971e-08  
a 2.798091044051015 1.4599e-08 au
q 2.361549762124012 1.1289e-07 au
i 9.586130559389398 4.3505e-06 deg
node 47.17990658392664 2.7734e-05 deg
peri 266.9473116399823 3.0826e-05 deg
M 267.1381857198303 1.5078e-05 deg
tp 2459641.487066708356
(2022-Mar-02.98706671)
7.2412e-05 TDB
period 1709.586930275061
4.68
1.3379e-05
3.663e-08
d
yr
n .2105771830754921 1.648e-09 deg/d
Q 3.234632325978018 1.6876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      14723 days (40.31 yr)  
   first obs. used      1980-11-03  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:05  

Additional Information
 Earth MOID = 1.37014 au 
 Jupiter MOID = 2.11182 au 
 T_jup = 3.288 
[ 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 13.86   n/a E2021B10  
diameter diameter 4.264 km 0.621 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.353   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22025 (1999 XS118)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS118 = 1980 VC = 1992 ER36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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