Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2014 HQ124)
Classification: Aten [NEO, PHA]          SPK-ID: 3669253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2590779267292747 1.2543e-07  
a .8507981093740956 1.6067e-08 au
q .6303750991322683 1.0425e-07 au
i 26.37110289420323 6.8511e-06 deg
node 257.5521992153081 6.4813e-07 deg
peri 144.5110887861199 2.0689e-05 deg
M 235.2578431703808 8.3491e-05 deg
tp 2459495.822798852320
(2021-Oct-08.32279885)
6.902e-05 TDB
period 286.6409279396477
0.78
8.1198e-06
2.223e-08
d
yr
n 1.255926718447542 3.5577e-08 deg/d
Q 1.071221119615923 2.023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      2595 days (7.10 yr)  
   first obs. used      2014-04-23  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .25499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-01 05:50:37  

Additional Information
 Earth MOID = .0082623 au 
 Jupiter MOID = 4.27526 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 18.92   n/a MPO623807  
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. 2020-October); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-03 18:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin