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120178 (2003 OP32)
Classification: TransNeptunian Object          SPK-ID: 2120178
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091036775922428 7.221e-06  
a 43.48564676415975 0.00082822 au
q 38.74120277971271 0.0005771 au
i 27.13486327068517 4.2111e-05 deg
node 183.0160203470121 5.3528e-05 deg
peri 71.88884827138175 0.0070291 deg
M 72.35485833742469 0.0072284 deg
tp 2437949.025309797904
(1962-Oct-11.52530980)
1.5044 TDB
period 104741.1474863306
286.77
2.9923
0.008192
d
yr
n .003437044644245304 9.8192e-08 deg/d
Q 48.23009074860679 0.00091859 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      10965 days (30.02 yr)  
   first obs. used      1990-07-21  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .39022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:08:51  

Additional Information
 Earth MOID = 37.8291 au 
 Jupiter MOID = 33.9126 au 
 T_jup = 5.234 
[ 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 4.0   n/a MPO469246  
rotation period rot_per 9.71 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:
[Benecchi, S.D.; Sheppard, S.S. (2013) Astron. J. 145, A124.]
[Thirouin, A.; Sheppard, S.S.; Noll, K.S.; Moskovitz, N.A.; et al. (2016) Astron. J. 151, A148.]

120178 (2003 OP32)          Discovered 2003-Jul-26 by Brown, M. E., Trujillo, C. A., Rabinowitz, D. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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