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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079131746061823 7.1667e-06  
a 43.5462992287007 0.00079436 au
q 38.84707983658085 0.00052911 au
i 27.09913841312462 3.8148e-05 deg
node 183.0489502448862 4.7307e-05 deg
peri 72.80042506500338 0.0066605 deg
M 72.94093874041381 0.0069344 deg
tp 2438130.091434659029
(1963-Apr-10.59143466)
1.4425 TDB
period 104960.3585548715
287.37
2.872
0.007863
d
yr
n .003429866331980927 9.385e-08 deg/d
Q 48.24551862082054 0.00088008 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      11070 days (30.31 yr)  
   first obs. used      1990-07-21  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .4129  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:16  

Additional Information
 Earth MOID = 37.9358 au 
 Jupiter MOID = 34.0275 au 
 T_jup = 5.240 
[ 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 4.06   n/a E2021B55  
rotation period rot_per 9.71 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:
[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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