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 ]  
15784 (1993 QZ)
Classification: Main-belt Asteroid          SPK-ID: 2015784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580544609995914 3.9877e-08  
a 2.369492503519903 8.8569e-09 au
q 1.994983643033492 9.218e-08 au
i 21.84851885403323 4.022e-06 deg
node 163.8565728497171 1.1111e-05 deg
peri 183.1750075642645 1.6943e-05 deg
M 111.37135716213 1.375e-05 deg
tp 2458588.352711835229
(2019-Apr-14.85271184)
5.0071e-05 TDB
period 1332.236829289257
3.65
7.4696e-06
2.045e-08
d
yr
n .2702222248217371 1.5151e-09 deg/d
Q 2.744001364006313 1.0257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1788  
   data-arc span      9924 days (27.17 yr)  
   first obs. used      1993-08-20  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:23  

Additional Information
 Earth MOID = .988049 au 
 Jupiter MOID = 2.68268 au 
 T_jup = 3.433 
[ 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 14.2   n/a MPO452394  
diameter diameter 4.228 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15784 (1993 QZ)          Discovered 1993-Aug-20 by Helin, E. F. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 QZ = 1996 LR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 16:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin