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55565 (2002 AW197)
Classification: TransNeptunian Object          SPK-ID: 2055565
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314194255743051 5.8571e-05  
a 47.52805744856286 0.006173 au
q 41.28194744001016 0.0058534 au
i 24.35111408471979 0.00032414 deg
node 297.4383278185368 0.00026499 deg
peri 293.2895966183704 0.042704 deg
M 293.889266454837 0.040195 deg
tp 2479378.744404863330
(2076-Mar-16.24440486)
9.0915 JED
period 119680.535390606
327.67
23.316
0.06384
d
yr
n .003008007933997404 5.8602e-07 deg/d
Q 53.77416745711557 0.0069842 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      1997-12-29  
   last obs. used      2013-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .34032  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 09:08:25  

Additional Information
 Earth MOID = 40.3469 au 
 Jupiter MOID = 36.3694 au 
 T_jup = 5.569 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.5 mag n/a MPO280075  
rotation period rot_per 8.86 h n/a LCDB (Rev. 2015-December); 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:
[Ortiz, J.L.; Gutierrez, P.J.; Santos-Sanz, P.; Casanova, V.; Sota, A. (2006) Astron. Astrophys. 447, 1131-1144.]
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]

55565 (2002 AW197)          Discovered 2002-Jan-10 by Palomar at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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