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85627 (1998 HP151)
Classification: TransNeptunian Object          SPK-ID: 2085627
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09387227345149177 0.00041954  
a 44.34718097534037 0.034933 au
q 40.18421027602043 0.021048 au
i 1.516674796886911 0.00088364 deg
node 55.99861002909643 0.002748 deg
peri 249.0195747167697 0.30631 deg
M 321.8953744190441 0.28409 deg
tp 2470418.042895998524
(2051-Sep-03.54289600)
71.909 TDB
period 107869.1990773357
295.33
127.46
0.349
d
yr
n .003337375294145845 3.9433e-06 deg/d
Q 48.51015167466032 0.038212 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      3302 days (9.04 yr)  
   first obs. used      1998-04-28  
   last obs. used      2007-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .078624  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 14:51:19  

Additional Information
 Earth MOID = 39.1695 au 
 Jupiter MOID = 35.0703 au 
 T_jup = 5.928 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452378.5 (2002-Apr-14.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08425235639577697 0.00039617  
q 40.12361736412803 0.022394 au
tp 2471521.446826984848
(2054-Sep-10.94682698)
82.528 TDB
node 55.95210201533652 0.0027486 deg
peri 253.197292806057 0.35035 deg
i 1.513529549274495 0.00088708 deg
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      3302 days (9.04 yr)  
   first obs. used      1998-04-28  
   last obs. used      2007-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .078624  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 14:51:19  

Additional Information
 Jupiter MOID = 35.0703 au 
 T_jup = 5.928 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.569512320734054E-7 1.91979298613457E-6 -.01916600208923 -3.035981264977343E-10 -7.393246206784001E-5 2.274688158232886E-9
q 1.91979298613457E-6 .0005014874419712704 -1.695833837532073 -1.179707532721514E-7 -.007385684520336124 1.532600044677964E-7
tp -.01916600208923 -1.695833837532073 6810.804296441393 .0003860734251070075 28.85237226661512 -.0006607331822484323
node -3.035981264977343E-10 -1.179707532721514E-7 .0003860734251070075 7.554575681366889E-6 -5.860807651310276E-6 -4.87792422161838E-7
peri -7.393246206784001E-5 -.007385684520336124 28.85237226661512 -5.860807651310276E-6 .1227471847482744 -2.282807801854273E-6
i 2.274688158232886E-9 1.532600044677964E-7 -.0006607331822484323 -4.87792422161838E-7 -2.282807801854273E-6 7.869133959420537E-7

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.4   n/a MPO157285  

85627 (1998 HP151)          Discovered 1998-Apr-28 by Mauna Kea at Mauna Kea
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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