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118378 (1999 HT11)
Classification: TransNeptunian Object          SPK-ID: 2118378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170146572165459 3.5757e-05  
a 43.86763912284005 0.0033758 au
q 38.73448236798178 0.0014881 au
i 5.048926616602138 8.0581e-05 deg
node 87.95382744934055 0.00077619 deg
peri 189.2738000106088 0.02137 deg
M 328.3344972236455 0.019744 deg
tp 2468731.164366925628
(2047-Jan-20.66436693)
4.7542 TDB
period 106124.295446292
290.55
12.25
0.03354
d
yr
n .003392248669223823 3.9157e-07 deg/d
Q 49.00079587769832 0.0037708 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-04-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .58602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:00  

Additional Information
 Earth MOID = 37.718 au 
 Jupiter MOID = 33.4991 au 
 T_jup = 5.863 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.6   n/a MPO341358  

118378 (1999 HT11)          Discovered 1999-Apr-17 by Kitt Peak at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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