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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456103422281234 0.00019229  
a 39.6985064926253 0.013701 au
q 33.91799337628875 0.010103 au
i 3.650890997521521 0.00080192 deg
node 286.5653260586833 0.0069593 deg
peri 268.9121936563821 0.13297 deg
M 127.6308299987495 0.17619 deg
tp 2426810.363952302876
(1932-Apr-12.86395230)
28.952 TDB
period 91360.75489977782
250.13
47.297
0.1295
d
yr
n .003940422782133508 2.0399e-06 deg/d
Q 45.47901960896185 0.015696 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .26059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:25  

Additional Information
 Earth MOID = 32.9186 au 
 Jupiter MOID = 28.4784 au 
 T_jup = 5.585 
[ 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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