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24978 (1998 HJ151)
Classification: TransNeptunian Object          SPK-ID: 2024978
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04876679538593093 0.00024191  
a 43.62927074332813 0.017498 au
q 41.50161102415086 0.012324 au
i 2.394740117904229 0.0010114 deg
node 50.45678578729785 0.002006 deg
peri 135.2047859873188 0.3562 deg
M 68.13316420317877 0.34936 deg
tp 2439079.028447106168
(1965-Nov-14.52844711)
91.791 TDB
period 105260.4828047481
288.19
63.322
0.1734
d
yr
n .003420086915882557 2.0574e-06 deg/d
Q 45.75693046250539 0.018351 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      3301 days (9.04 yr)  
   first obs. used      1998-04-28  
   last obs. used      2007-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .16224  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-05 23:14:19  

Additional Information
 Earth MOID = 40.504 au 
 Jupiter MOID = 36.0405 au 
 T_jup = 5.899 
[ 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 7.5   n/a PDS3 (MPO 12471)  

24978 (1998 HJ151)          Discovered 1998-Apr-28 by Luu, J., Trujillo, C., Tholen, D., Jewitt, D. at Mauna Kea
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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