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 ]  
14957 (1996 HQ22)
Classification: Main-belt Asteroid          SPK-ID: 2014957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208312203152773 3.0887e-08  
a 2.660198413720339 9.2799e-09 au
q 2.106046621334743 8.0656e-08 au
i 4.624378527381682 3.882e-06 deg
node 214.9414749684407 4.1458e-05 deg
peri 142.2701919425745 4.2496e-05 deg
M 177.1305640794092 1.0188e-05 deg
tp 2458616.740854752715
(2019-May-13.24085475)
4.3312e-05 TDB
period 1584.781789342558
4.34
8.2926e-06
2.27e-08
d
yr
n .2271606112721329 1.1886e-09 deg/d
Q 3.214350206105935 1.1213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      9569 days (26.20 yr)  
   first obs. used      1995-02-25  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:22:05  

Additional Information
 Earth MOID = 1.10374 au 
 Jupiter MOID = 2.25756 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.62   n/a MPCxxxxx  
diameter diameter 4.017 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14957 (1996 HQ22)          Discovered 1996-Apr-20 by Elst, E. W. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 HQ22 = 1997 TC11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-31 13:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin