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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461626608600385 5.1868e-08  
a 5.142388905344157 8.4158e-08 au
q 4.390763659761915 2.9662e-07 au
i 7.195384164737075 5.4625e-06 deg
node 35.85750656171439 3.4291e-05 deg
peri 341.9304083562273 3.8079e-05 deg
M 11.47888534128849 1.3838e-05 deg
tp 2459064.686475066225
(2020-Aug-03.18647507)
0.00016502 TDB
period 4259.374279164183
11.66
0.00010456
2.863e-07
d
yr
n .08451945671011631 2.0748e-09 deg/d
Q 5.894014150926401 9.6459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      12540 days (34.33 yr)  
   first obs. used      1986-11-05  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:47  

Additional Information
 Earth MOID = 3.39254 au 
 Jupiter MOID = .418873 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. 2020-October); 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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