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(2014 HQ124)
Classification: Aten [NEO, PHA]          SPK-ID: 3669253
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 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2591181395967833 1.2953e-07  
a .85076512888058 2.4654e-08 au
q .6303164514512266 1.1027e-07 au
i 26.37148612035508 6.9458e-06 deg
node 257.5574761593592 6.542e-07 deg
peri 144.5147819537699 2.1618e-05 deg
M 97.86984833863174 0.00011145 deg
tp 2458922.578130682894
(2020-Mar-14.07813068)
8.5572e-05 TDB
period 286.6242609991381
0.78
1.2459e-05
3.411e-08
d
yr
n 1.255999749445783 5.4595e-08 deg/d
Q 1.071213806309933 3.1042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      1495 days (4.09 yr)  
   first obs. used      2014-04-23  
   last obs. used      2018-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .23854  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-27 06:21:30  

Additional Information
 Earth MOID = .0083699 au 
 Jupiter MOID = 4.27417 au 
 T_jup = 6.816 
[ 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 18.9   n/a E2014M01  
diameter diameter 0.325 km 0.07 personal communication from Amy Mainzer, 2014-May-30 preliminary NEOWISE thermal model fit
rotation period rot_per 16. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.]
geometric albedo albedo 0.291   0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

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