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 ]  
117001 (2004 HX55)
Classification: Main-belt Asteroid          SPK-ID: 2117001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805629142057096 5.3058e-08  
a 2.644430790924609 1.9717e-08 au
q 2.166944660899952 1.4163e-07 au
i 12.16417097557927 4.6974e-06 deg
node 146.8677385378257 3.3694e-05 deg
peri 132.3934444794349 3.7781e-05 deg
M 131.2054995464678 1.8324e-05 deg
tp 2458028.038514548370
(2017-Oct-01.53851455)
7.991e-05 TDB
period 1570.712626185302
4.30
1.7567e-05
4.81e-08
d
yr
n .2291953308316563 2.5634e-09 deg/d
Q 3.121916920949266 2.3277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1996-05-20  
   last obs. used      2018-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:46  

Additional Information
 Earth MOID = 1.17032 au 
 Jupiter MOID = 2.1393 au 
 T_jup = 3.339 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO417609  

117001 (2004 HX55)          Discovered 2004-Apr-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 14:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin