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(2016 HP3)
Classification: Apollo [NEO]          SPK-ID: 3752446
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5902330452746394 0.00011135  
a 2.436379303946809 0.00065306 au
q .9983477279341778 3.6941e-06 au
i 2.937428540831661 0.00048144 deg
node 190.2777403570545 0.00050751 deg
peri 77.6673770634941 0.0001952 deg
M 66.76630880446469 0.17257 deg
tp 2458942.885297423738
(2020-Apr-03.38529742)
0.56226 TDB
period 1389.043285275234
3.80
0.55849
0.001529
d
yr
n .2591711891315663 0.0001042 deg/d
Q 3.874410879959441 0.0010385 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      30 days  
   first obs. used      2016-04-28  
   last obs. used      2016-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .58762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:03:59  

Additional Information
 Earth MOID = .0444324 au 
 Jupiter MOID = 1.26497 au 
 T_jup = 3.239 
[ 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 23.7   n/a MPO382820  
rotation period rot_per 2. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

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