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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300897393542672 8.6602e-06  
a 47.04344221706889 0.00082585 au
q 40.92357308072286 0.00067188 au
i 24.45072133502379 4.9657e-05 deg
node 297.6059660550756 7.5267e-05 deg
peri 297.4814667058357 0.0056146 deg
M 294.5440191246767 0.0055399 deg
tp 2480429.104996945378
(2079-Jan-30.60499695)
1.25 TDB
period 117854.7429240129
322.67
3.1034
0.008497
d
yr
n .003054607655731859 8.0436e-08 deg/d
Q 53.16331135341491 0.00093329 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      8169 days (22.37 yr)  
   first obs. used      1997-12-29  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .34489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:03:10  

Additional Information
 Earth MOID = 39.9834 au 
 Jupiter MOID = 35.9908 au 
 T_jup = 5.538 
[ 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-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:
[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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