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(2015 HL171)
Classification: Apollo [NEO]          SPK-ID: 3718432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2564032079502649 0.00066057  
a 1.290890410002813 0.0011654 au
q .9599019677658589 1.3873e-05 au
i 27.22873764841156 0.034196 deg
node 39.96169850521409 0.0012307 deg
peri 226.3056341524818 0.046949 deg
M 330.4461082887074 0.074675 deg
tp 2457185.478930670589
(2015-Jun-11.97893067)
0.051569 TDB
period 535.7133739297848
1.47
0.72543
0.001986
d
yr
n .6720011437444247 0.00090999 deg/d
Q 1.621878852239767 0.0014642 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      5 days  
   first obs. used      2015-04-28  
   last obs. used      2015-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .32351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:34:36  

Additional Information
 Earth MOID = .0161481 au 
 Jupiter MOID = 3.4766 au 
 T_jup = 4.887 
[ 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 24.2   n/a MPO346332  

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