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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08736579298193652 4.1362e-08  
a 2.267943254711319 8.2488e-09 au
q 2.06980259382543 9.4653e-08 au
i 5.75132265958311 4.067e-06 deg
node 18.48931633637386 3.3811e-05 deg
peri 163.7304303259284 3.8517e-05 deg
M 54.690977120505 1.9441e-05 deg
tp 2458810.977889143944
(2019-Nov-23.47788914)
6.709e-05 TDB
period 1247.517661969141
3.42
6.8061e-06
1.863e-08
d
yr
n .2885730687225373 1.5744e-09 deg/d
Q 2.466083915597207 8.9695e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1802  
   data-arc span      13915 days (38.10 yr)  
   first obs. used      1982-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:42:32  

Additional Information
 Earth MOID = 1.07234 au 
 Jupiter MOID = 2.49058 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456696.5 (2014-Feb-08.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08754203033173619 4.131e-08  
q 2.069521998560387 9.4654e-08 au
tp 2456316.271251009649
(2013-Jan-23.77125101)
6.4753e-05 TDB
node 18.51305183667765 3.3818e-05 deg
peri 163.7919488550261 3.8527e-05 deg
i 5.75121496123112 4.0665e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1802  
   data-arc span      13915 days (38.10 yr)  
   first obs. used      1982-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:42:32  

Additional Information
 Jupiter MOID = 2.49058 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.706547948227204E-15 -3.897662543336345E-15 -6.773199839862372E-13 2.900624563343844E-15 -1.559150289956283E-13 -2.418133274418375E-15
q -3.897662543336345E-15 8.959444540038955E-15 1.569765333200856E-12 -6.948362763246635E-15 3.666319317495571E-13 5.711514788101128E-15
tp -6.773199839862372E-13 1.569765333200856E-12 4.192890167023818E-9 -4.001800727149401E-12 1.202703060108586E-9 3.803339960983437E-12
node 2.900624563343844E-15 -6.948362763246635E-15 -4.001800727149401E-12 1.143645167791585E-9 -1.138710119788374E-9 -4.113470977309881E-11
peri -1.559150289956283E-13 3.666319317495571E-13 1.202703060108586E-9 -1.138710119788374E-9 1.484332369160693E-9 4.199913622982526E-11
i -2.418133274418375E-15 5.711514788101128E-15 3.803339960983437E-12 -4.113470977309881E-11 4.199913622982526E-11 1.653651682338551E-11

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-May-30 15:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin