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 ]  
19530 (1999 GQ23)
Classification: Main-belt Asteroid          SPK-ID: 2019530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237235890089405 3.1123e-08  
a 2.300555800511518 6.7486e-09 au
q 1.754781397476825 7.2868e-08 au
i 2.44549472164344 3.2484e-06 deg
node 294.8063805868382 7.8094e-05 deg
peri 3.252631722940052 7.838e-05 deg
M 354.8495365877087 6.5651e-06 deg
tp 2459218.734396324521
(2021-Jan-04.23439632)
2.3264e-05 TDB
period 1274.522727636878
3.49
5.6081e-06
1.535e-08
d
yr
n .2824586742893824 1.2429e-09 deg/d
Q 2.846330203546211 8.3496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2068  
   data-arc span      11368 days (31.12 yr)  
   first obs. used      1989-06-29  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:57:07  

Additional Information
 Earth MOID = .737013 au 
 Jupiter MOID = 2.37532 au 
 T_jup = 3.552 
[ 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 14.55   n/a E2021B10  
diameter diameter 7.407 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19530 (1999 GQ23)          Discovered 1999-Apr-06 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 GQ23 = 1989 MP = 1989 NZ1 = 2000 SU179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 02:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin