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 ]  
17875 (1999 AQ2)
Classification: Main-belt Asteroid          SPK-ID: 2017875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08736578846509661 4.3336e-08  
a 2.267943255419335 8.4881e-09 au
q 2.069802604715527 9.9647e-08 au
i 5.751323069867455 4.1093e-06 deg
node 18.48931163678911 3.4374e-05 deg
peri 163.7304359312768 3.9127e-05 deg
M 54.69097562868289 1.9973e-05 deg
tp 2458810.977894224846
(2019-Nov-23.47789422)
6.8882e-05 TDB
period 1247.517662553324
3.42
7.0035e-06
1.917e-08
d
yr
n .2885730685874053 1.62e-09 deg/d
Q 2.466083906123144 9.2297e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1741  
   data-arc span      13829 days (37.86 yr)  
   first obs. used      1982-03-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50877  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:14:03  

Additional Information
 Earth MOID = 1.07234 au 
 Jupiter MOID = 2.49058 au 
 T_jup = 3.603 
[ 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 14.3   n/a MPO365467  
diameter diameter 3.540 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.323   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17875 (1999 AQ2)          Discovered 1999-Jan-09 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AQ2 = 1982 FP2 = 1989 GO6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-01 00:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin