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 ]  
95921 (2003 HJ53)
Classification: Main-belt Asteroid          SPK-ID: 2095921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0992841056410481 3.567e-08  
a 2.336422608509338 1.2121e-08 au
q 2.104452979423964 8.4016e-08 au
i 6.775343335891228 6.066e-06 deg
node 332.668388912971 3.533e-05 deg
peri 290.9940540308731 4.9027e-05 deg
M 248.1093583371871 3.5478e-05 deg
tp 2459405.930848793867
(2021-Jul-10.43084879)
0.00012949 TDB
period 1304.444262690295
3.57
1.0151e-05
2.779e-08
d
yr
n .275979595523333 2.1477e-09 deg/d
Q 2.568392237594713 1.3325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      9609 days (26.31 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:30:40  

Additional Information
 Earth MOID = 1.10013 au 
 Jupiter MOID = 2.52287 au 
 T_jup = 3.551 
[ 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 16.2   n/a MPO449587  

95921 (2003 HJ53)          Discovered 2003-Apr-30 by Broughton, J. at Reedy Creek
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2003 HJ53 = 2000 QU51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-21 01:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin