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115931 (2003 WJ22)
Classification: Inner Main-belt Asteroid          SPK-ID: 2115931
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138626130608372 4.2719e-08  
a 1.917510405803876 5.7019e-09 au
q 1.699177660427701 8.2254e-08 au
i 18.70914406120204 5.4832e-06 deg
node 310.4448690646242 8.8538e-06 deg
peri 322.0664474007482 2.0751e-05 deg
M 349.8947468780948 1.8561e-05 deg
tp 2459227.723860875048
(2021-Jan-13.22386087)
5.0008e-05 TDB
period 969.85100687606
2.66
4.3259e-06
1.184e-08
d
yr
n .3711910359917845 1.6556e-09 deg/d
Q 2.135843151180052 6.3511e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      7107 days (19.46 yr)  
   first obs. used      2000-12-05  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:50  

Additional Information
 Earth MOID = .703662 au 
 Jupiter MOID = 3.08509 au 
 T_jup = 3.856 
[ 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 15.59   n/a E2021B55  
diameter diameter 1.223 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.895   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115931 (2003 WJ22)          Discovered 2003-Nov-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 WJ22 = 2000 XY38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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