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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020024931750225 0.00021934  
a 1.067452803475637 0.00026846 au
q .9585699561744542 8.8688e-06 au
i 11.50214599269085 0.024889 deg
node 206.8210056347858 0.0013654 deg
peri 281.904349132399 0.057683 deg
M 297.7935772013883 0.70892 deg
tp 2459070.107202059001
(2020-Aug-08.60720206)
0.81952 TDB
period 402.8296695723147
1.10
0.15197
0.0004161
d
yr
n .8936779666259761 0.00033713 deg/d
Q 1.176335650776819 0.00029584 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42854  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:23  

Additional Information
 Earth MOID = .0282912 au 
 Jupiter MOID = 3.83921 au 
 T_jup = 5.758 
[ 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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