Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456586.5 (2013-Oct-21.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6687410555957811 4.1078e-05  
q 36.97246981102966 0.00066229 au
tp 2441144.599060876004
(1971-Jul-12.09906088)
0.34647 TDB
node 78.50978014438921 0.00042408 deg
peri 224.0741939861868 0.0022235 deg
i 14.0188594450332 4.6708e-05 deg
  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
 Jupiter MOID = 31.8135 au 
 T_jup = 6.730 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.687406729410225E-9 2.22705694856862E-8 1.382849512548831E-5 -3.788143711580092E-10 8.043552443418517E-8 1.304035648136776E-10
q 2.22705694856862E-8 4.386345323477367E-7 .0002105756656048748 -8.886008099899107E-9 1.428228379205753E-6 2.28944329727365E-9
tp 1.382849512548831E-5 .0002105756656048748 .120039575586157 -3.803257306020519E-6 .0007341318968149723 1.165718054336126E-6
node -3.788143711580092E-10 -8.886008099899107E-9 -3.803257306020519E-6 1.79839717409384E-7 -2.020350517236036E-7 -1.947403330322066E-8
peri 8.043552443418517E-8 1.428228379205753E-6 .0007341318968149723 -2.020350517236036E-7 4.94392790571289E-6 2.64664528745743E-8
i 1.304035648136776E-10 2.28944329727365E-9 1.165718054336126E-6 -1.947403330322066E-8 2.64664528745743E-8 2.181661314393395E-9

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 04:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin