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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319266335118837 4.9781e-05  
a 47.50439577486342 0.005906 au
q 41.23730076326954 0.0057546 au
i 24.36535385677819 0.00023263 deg
node 297.4605878604004 0.00020066 deg
peri 293.5909582883119 0.041057 deg
M 294.245874162578 0.037791 deg
tp 2479443.869500997010
(2076-May-20.36950100)
8.4861 JED
period 119591.1727243066
327.42
22.302
0.06106
d
yr
n .003010255621708031 5.6138e-07 deg/d
Q 53.77149078645731 0.0066852 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      1997-12-29  
   last obs. used      2016-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .36003  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 18:00:44  

Additional Information
 Earth MOID = 40.3024 au 
 Jupiter MOID = 36.3249 au 
 T_jup = 5.566 
[ 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. 2016-February); 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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