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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315977055036168 2.3247e-05  
a 47.19392507619987 0.0020119 au
q 40.98331282246236 0.001617 au
i 24.43739693313234 0.00010294 deg
node 297.5817005682328 0.00013876 deg
peri 296.3451651539097 0.013283 deg
M 294.5669696378624 0.013372 deg
tp 2480124.456624896269
(2078-Mar-31.95662490)
3.0267 TDB
period 118420.6866482887
324.22
7.5724
0.02073
d
yr
n .003040009395226744 1.9439e-07 deg/d
Q 53.40453732993738 0.0022766 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      7756 days (21.23 yr)  
   first obs. used      1997-12-29  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:20:51  

Additional Information
 Earth MOID = 40.0449 au 
 Jupiter MOID = 36.0588 au 
 T_jup = 5.546 
[ 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 3.3   n/a MPO436172  
rotation period rot_per 8.86 h n/a LCDB (Rev. 2019-January); 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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