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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290935958442765 7.5014e-06  
a 46.9807689640093 0.00081044 au
q 40.91585256291616 0.00066133 au
i 24.44974655300942 4.3988e-05 deg
node 297.6041178461026 6.7893e-05 deg
peri 297.8956065216721 0.0056035 deg
M 294.6637708699035 0.0054696 deg
tp 2480547.171803642239
(2079-May-28.67180364)
1.2352 TDB
period 117619.3048118732
322.02
3.0435
0.008333
d
yr
n .003060722052181858 7.9199e-08 deg/d
Q 53.04568536510244 0.00091507 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      8477 days (23.21 yr)  
   first obs. used      1997-12-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .34177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:10:35  

Additional Information
 Earth MOID = 39.9738 au 
 Jupiter MOID = 35.9794 au 
 T_jup = 5.536 
[ 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 3.51   n/a E2021B10  
rotation period rot_per 8.86 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:
[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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