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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
(2015 HU9)
Classification: Apollo [NEO]          SPK-ID: 3716636
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4856654186344084 0.00055863  
a 1.089285483061481 0.00037727 au
q .5602571929180432 0.0004145 au
i 6.772945195506265 0.010511 deg
node 43.40622292656975 0.004008 deg
peri 298.5055948067721 0.0092434 deg
M 113.8415768057428 0.58959 deg
tp 2458469.186492370924
(2018-Dec-16.68649237)
0.61185 TDB
period 415.2512998579847
1.14
0.21573
0.0005906
d
yr
n .8669449081149642 0.00045039 deg/d
Q 1.61831377320492 0.00056049 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      21 days  
   first obs. used      2015-04-20  
   last obs. used      2015-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48627  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:14  

Additional Information
 Earth MOID = .0148073 au 
 Jupiter MOID = 3.79743 au 
 T_jup = 5.571 
[ 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 23.4   n/a MPO337074  

[ 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 2020-Jan-20 15:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin