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JPL Small-Body Database Browser
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91133 (1998 HK151)
Classification: TransNeptunian Object          SPK-ID: 2091133
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334316749052606 0.0001817  
a 39.73728816414837 0.011159 au
q 30.46134643179823 0.0013471 au
i 5.938913522669369 0.00059782 deg
node 50.22718731652353 0.00033798 deg
peri 182.2761421781224 0.19586 deg
M 30.12254837735845 0.10819 deg
tp 2451344.798790193436
(1999-Jun-15.29879019)
30.085 TDB
period 91494.663764967
250.50
38.541
0.1055
d
yr
n .00393465569669477 1.6574e-06 deg/d
Q 49.01322989649851 0.013764 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      1178 days (3.23 yr)  
   first obs. used      1998-04-28  
   last obs. used      2001-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .20651  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 14:19:06  

Additional Information
 Earth MOID = 29.4507 au 
 Jupiter MOID = 25.0586 au 
 T_jup = 5.476 
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Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.6   n/a MPO186595  

91133 (1998 HK151)          Discovered 1998-Apr-28 by Mauna Kea at Mauna Kea
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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