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JPL Small-Body Database Browser
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(2017 HK1)
Classification: Aten [NEO]          SPK-ID: 3774012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470943710042079 1.5745e-05  
a .909078856003079 8.8752e-06 au
q .7753584734860812 2.1883e-05 au
i 1.510001210524415 0.00016042 deg
node 141.1384043703428 0.00065445 deg
peri 258.7326995007772 0.0010712 deg
M 21.61382510702722 0.019556 deg
tp 2458981.492285760837
(2020-May-11.99228576)
0.01692 TDB
period 316.5926018284442
0.87
0.0046363
1.269e-05
d
yr
n 1.137108062288447 1.6652e-05 deg/d
Q 1.042799238520077 1.0181e-05 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      38 days  
   first obs. used      2017-04-19  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .43253  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Aug-18 06:21:27  

Additional Information
 Earth MOID = .0146483 au 
 Jupiter MOID = 4.15657 au 
 T_jup = 6.550 
[ 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 25.1   n/a MPO419559  

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