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 HW)
Classification: Apollo [NEO]          SPK-ID: 3668932
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150583478379757 9.709e-05  
a 1.079015891120331 9.6789e-05 au
q .9548661053971049 2.1051e-05 au
i 4.48971899762737 0.0033891 deg
node 34.32318560110917 0.00084817 deg
peri 243.7244092105969 0.012915 deg
M 283.0396218582725 0.26682 deg
tp 2459288.019510541655
(2021-Mar-14.51951054)
0.3152 TDB
period 409.3927882861176
1.12
0.055084
0.0001508
d
yr
n .8793511031474306 0.00011832 deg/d
Q 1.203165676843558 0.00010792 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      3 days  
   first obs. used      2014-04-20  
   last obs. used      2014-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .59289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 09:47:35  

Additional Information
 Earth MOID = .003524 au 
 Jupiter MOID = 3.84164 au 
 T_jup = 5.724 
[ 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 28.4   n/a MPO293370  
rotation period rot_per 0.0641 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 13:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin