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JPL Small-Body Database Browser
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385445 (2003 QH91)
Classification: TransNeptunian Object          SPK-ID: 2385445
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492674908244534 0.00018981  
a 39.57748581609363 0.013656 au
q 33.66985381518494 0.010084 au
i 3.651508736299422 0.00080289 deg
node 286.5748333040024 0.0069714 deg
peri 268.346613699021 0.12992 deg
M 125.6148981862779 0.17204 deg
tp 2426867.628018835083
(1932-Jun-09.12801884)
28.056 TDB
period 90943.30432269778
248.99
47.071
0.1289
d
yr
n .00395851022437669 2.0488e-06 deg/d
Q 45.48511781700233 0.015695 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      3697 days (10.12 yr)  
   first obs. used      2003-08-24  
   last obs. used      2013-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .2671  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:43:38  

Additional Information
 Earth MOID = 32.6716 au 
 Jupiter MOID = 28.2345 au 
 T_jup = 5.574 
[ 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 6.8   n/a MPO102158  

385445 (2003 QH91)          Discovered 2003-Aug-24 by Buie, M. W. at Cerro Tololo
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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