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303775 (2005 QU182)
Classification: TransNeptunian Object          SPK-ID: 2303775
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6754955980058993 4.1202e-05  
a 113.5899470611329 0.016133 au
q 36.86043784361448 0.00066065 au
i 14.04594462214016 4.7006e-05 deg
node 78.28601104861512 0.00042219 deg
peri 224.2167999348662 0.0022022 deg
M 14.4899601855747 0.0033603 deg
tp 2441202.427809890720
(1971-Sep-07.92780989)
0.34035 TDB
period 442189.3439581743
1210.65
94.208
0.2579
d
yr
n .0008141308806257702 1.7345e-07 deg/d
Q 190.3194562786513 0.027032 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      15797 days (43.25 yr)  
   first obs. used      1974-06-17  
   last obs. used      2017-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .37922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:43:27  

Additional Information
 Earth MOID = 35.86 au 
 Jupiter MOID = 31.8135 au 
 T_jup = 6.730 
[ 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 3.6   n/a MPO418590  
rotation period rot_per 9.61 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.]

303775 (2005 QU182)          Discovered 2005-Aug-30 by Palomar at Palomar
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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