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129772 (1999 HR11)
Classification: TransNeptunian Object          SPK-ID: 2129772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0354020774238718 5.5719e-05  
a 43.72857698160581 0.0033135 au
q 42.18049451366726 0.00076569 au
i 3.300384571902174 7.8451e-05 deg
node 83.37801170719564 0.0015608 deg
peri 133.8185759251267 0.023946 deg
M 2.000761883181823 0.022089 deg
tp 2458613.498314602874
(2019-May-09.99831460)
6.5221 TDB
period 105620.0682946343
289.17
12.005
0.03287
d
yr
n .003408443166271733 3.8741e-07 deg/d
Q 45.27665944954435 0.0034308 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .59821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:48:01  

Additional Information
 Earth MOID = 41.1733 au 
 Jupiter MOID = 36.7383 au 
 T_jup = 5.904 
[ 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 7.2   n/a MPC47777  

129772 (1999 HR11)          Discovered 1999-Apr-17 by Kitt Peak at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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