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(2015 HA177)
Classification: Apollo [NEO]          SPK-ID: 3719076
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2387998949024688 0.00052393  
a 1.128357203562528 0.00049782 au
q .8589056219393525 0.00021225 au
i 2.318611052228552 0.0054051 deg
node 215.6578274941803 0.0024741 deg
peri 80.39599565397747 0.017023 deg
M 36.50318016722561 0.94564 deg
tp 2458956.108835609993
(2020-Apr-16.60883561)		 1.1206 TDB
period 437.7925185474932
1.20		 0.28972
0.0007932		 d
yr
n .8223073368051308 0.00054419 deg/d
Q 1.397808785185703 0.0006167 au
   Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      6 days  
   first obs. used      2015-04-23  
   last obs. used      2015-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53666  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:00  

Additional Information
 Earth MOID = .00276644 au 
 Jupiter MOID = 3.76798 au 
 T_jup = 5.515 
[ 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 27.7   n/a MPO337166  

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