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JPL Small-Body Database Browser
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303775 (2005 QU182)
Classification: TransNeptunian Object          SPK-ID: 2303775
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6754894811924632 4.2069e-05  
a 113.5877257438605 0.016468 au
q 36.86041181130836 0.00067103 au
i 14.04593171011807 4.7487e-05 deg
node 78.28608035420874 0.00042948 deg
peri 224.216584849178 0.0022414 deg
M 14.49041523676364 0.0034296 deg
tp 2441202.390960090772
(1971-Sep-07.89096009)
0.34686 TDB
period 442176.3731180946
1210.61
96.158
0.2633
d
yr
n .0008141547624116333 1.7705e-07 deg/d
Q 190.3150396764126 0.027591 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   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      .40637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:27:27  

Additional Information
 Earth MOID = 35.86 au 
 Jupiter MOID = 31.8134 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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