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(2015 HH)
Classification: Apollo [NEO]          SPK-ID: 3715997
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019888934865258 0.00021981  
a 1.067477415208101 0.00026867 au
q .9586065748091698 8.6282e-06 au
i 11.50202675912345 0.024888 deg
node 206.8189084376541 0.0013508 deg
peri 281.8946578034106 0.057289 deg
M 116.5364389049692 0.77609 deg
tp 2459070.094559041298
(2020-Aug-08.59455904)		 0.81922 TDB
period 402.8436014199398
1.10		 0.15209
0.0004164		 d
yr
n .8936470598790076 0.00033738 deg/d
Q 1.176348255607031 0.00029608 au
   Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      7 days  
   first obs. used      2015-04-16  
   last obs. used      2015-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:31:51  

Additional Information
 Earth MOID = .0276225 au 
 Jupiter MOID = 3.83824 au 
 T_jup = 5.757 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.1   n/a MPO337060  

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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