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90568 (2004 GV9)
Classification: TransNeptunian Object          SPK-ID: 2090568
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07625532054835323 1.2161e-05  
a 42.0458878887794 0.00069553 au
q 38.8396652300804 0.00016992 au
i 21.9472760452448 4.1251e-05 deg
node 250.6509094823398 5.7883e-05 deg
peri 294.96907381 0.0038449 deg
M 39.89514776240238 0.0040277 deg
tp 2448164.764168256665
(1990-Sep-30.26416826)
0.90094 TDB
period 99582.65910150786
272.64
2.471
0.006765
d
yr
n .003615087237558501 8.9702e-08 deg/d
Q 45.25211054747839 0.00074857 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      23924 days (65.50 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .39327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:42:56  

Additional Information
 Earth MOID = 37.9002 au 
 Jupiter MOID = 33.7673 au 
 T_jup = 5.382 
[ 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 4.02   n/a E2021B10  
rotation period rot_per 5.86 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:
[Dotto, E.; Pema, D.; Barucci, M.A.; Rossi, A. et al. (2008) Astron. Astrophys. 490, 829-833.]
[Perna, D.; Dotto, E.; Barucci, M.A.; Rossi, A.; et al. (2008) Bull. Amer. Astron. Soc. 40, #47.08.]

90568 (2004 GV9)          Discovered 2004-Apr-13 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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