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(2014 HB177)
Classification: Apollo [NEO]          SPK-ID: 3670096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948067907350832 7.4337e-05  
a 1.114777507084072 7.5572e-05 au
q .8976112785453676 2.2039e-05 au
i 3.46574744106367 0.0010685 deg
node 45.32383322455441 0.0001132 deg
peri 251.6238422096282 0.0050387 deg
M 172.523493819151 0.19526 deg
tp 2458994.471895619116
(2020-May-24.97189562)
0.21223 TDB
period 429.9131436259211
1.18
0.043717
0.0001197
d
yr
n .8373784457105261 8.5151e-05 deg/d
Q 1.331943735622777 9.0295e-05 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      6 days  
   first obs. used      2014-04-29  
   last obs. used      2014-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .33697  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 09:53:45  

Additional Information
 Earth MOID = .000168859 au 
 Jupiter MOID = 3.814 au 
 T_jup = 5.574 
[ 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 28.1   n/a MPO297970  
rotation period rot_per 0.0239 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 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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