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162352 (1999 XS226)
Classification: Jupiter Trojan          SPK-ID: 2162352
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07486651105048998 4.511e-08  
a 5.218277597441319 1.0674e-07 au
q 4.827603360027954 2.9567e-07 au
i 2.284179999808309 4.9315e-06 deg
node 64.28325584423867 0.00014993 deg
peri 35.8285257834025 0.00015711 deg
M 274.2040896092758 4.961e-05 deg
tp 2460038.155711698453
(2023-Apr-03.65571170)
0.00061785 TDB
period 4354.007720300732
11.92
0.00013359
3.657e-07
d
yr
n .0826824441126932 2.5369e-09 deg/d
Q 5.608951834854684 1.1473e-07 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      8393 days (22.98 yr)  
   first obs. used      1997-11-01  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:09:05  

Additional Information
 Earth MOID = 3.84482 au 
 Jupiter MOID = .0226046 au 
 T_jup = 2.993 
[ 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 12.6   n/a MPO454080  
diameter diameter 11.561 km 0.811 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.121   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

162352 (1999 XS226)          Discovered 1999-Dec-14 by Spacewatch at Kitt Peak
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

Alternate Designations
 1999 XS226 = 2001 DC33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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