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22056 (2000 AU31)
Classification: Jupiter Trojan          SPK-ID: 2022056
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458821386383884 6.5146e-08  
a 5.140642709587329 1.0062e-07 au
q 4.39071475713689 3.8765e-07 au
i 7.196231993366197 5.5525e-06 deg
node 35.85576208860786 4.4564e-05 deg
peri 341.8636521729611 4.7709e-05 deg
M 354.6229027181031 1.6925e-05 deg
tp 2459064.087236364854
(2020-Aug-02.58723636)
0.00020021 TDB
period 4257.204936279674
11.66
0.000125
3.422e-07
d
yr
n .0845625252691265 2.4828e-09 deg/d
Q 5.890570662037768 1.153e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      12323 days (33.74 yr)  
   first obs. used      1986-11-05  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:49:22  

Additional Information
 Earth MOID = 3.39384 au 
 Jupiter MOID = .416473 au 
 T_jup = 2.963 
[ 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 11.9   n/a MPO502329  
diameter diameter 24.775 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
rotation period rot_per 358. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Ryan, E.L.; Sharkey, B.N.L.; Woodward, C.E. (2017) Astron. J. 153, A116.]
[Szabo, Gy.M.; Pal, A.; Kiss, Cs.; Kiss, L.L.; et al. (2017) Astron. Astrophys. 599, A44.]
geometric albedo albedo 0.066   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

22056 (2000 AU31)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AU31 = 1996 RS32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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