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120178 (2003 OP32)
Classification: TransNeptunian Object          SPK-ID: 2120178
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090903611469074 1.6918e-05  
a 43.48480045447782 0.0016748 au
q 38.74102786849763 0.001071 au
i 27.13497527391885 7.8414e-05 deg
node 183.0158043228505 0.00010978 deg
peri 71.8843504972034 0.01364 deg
M 72.36087715710705 0.014269 deg
tp 2437947.888746504577
(1962-Oct-10.38874650)
2.9492 TDB
period 104738.0898217038
286.76
6.0509
0.01657
d
yr
n .003437144983385032 1.9857e-07 deg/d
Q 48.22857304045801 0.0018575 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      10329 days (28.28 yr)  
   first obs. used      1990-07-21  
   last obs. used      2018-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .43615  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:15:48  

Additional Information
 Earth MOID = 37.8289 au 
 Jupiter MOID = 33.9123 au 
 T_jup = 5.234 
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Orbital Elements at Epoch 2456492.5 (2013-Jul-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038315728544997 1.5882e-05  
q 38.62725471805475 0.0011307 au
tp 2437012.942502984191
(1960-Mar-19.44250298)
3.1346 TDB
node 183.0046536822236 0.00010999 deg
peri 68.15422862267361 0.014582 deg
i 27.16214395568947 7.8739e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      10329 days (28.28 yr)  
   first obs. used      1990-07-21  
   last obs. used      2018-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .43615  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:15:48  

Additional Information
 Jupiter MOID = 33.9123 au 
 T_jup = 5.234 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.522383082038644E-10 4.816693876723626E-9 2.814502479218696E-5 -1.971733313190309E-11 1.181980838753667E-7 6.203460994988445E-11
q 4.816693876723626E-9 1.27845839154411E-6 .003350488450301821 -9.075206595847747E-9 1.590609798814313E-5 1.087695572624529E-8
tp 2.814502479218696E-5 .003350488450301821 9.825976236018745 -2.275386362032277E-5 .04560828127678004 2.980132846070721E-5
node -1.971733313190309E-11 -9.075206595847747E-9 -2.275386362032277E-5 1.209684649598374E-8 -1.197544334903319E-7 -8.536297597026488E-9
peri 1.181980838753667E-7 1.590609798814313E-5 .04560828127678004 -1.197544334903319E-7 .0002126290507386 1.477265910556319E-7
i 6.203460994988445E-11 1.087695572624529E-8 2.980132846070721E-5 -8.536297597026488E-9 1.477265910556319E-7 6.199796301732524E-9

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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