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 ]  
447942 (2008 AQ99)
Classification: Main-belt Asteroid          SPK-ID: 2447942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08471540690677791 6.9612e-08  
a 2.690934887288822 2.3282e-08 au
q 2.462971243352505 1.8825e-07 au
i 10.12297346259634 6.697e-06 deg
node 286.0439184140873 4.6387e-05 deg
peri 96.83040672257567 7.0202e-05 deg
M 298.0364568480012 4.8894e-05 deg
tp 2458878.015313785791
(2020-Jan-29.51531379)
0.00021916 TDB
period 1612.327311848724
4.41
2.0925e-05
5.729e-08
d
yr
n .2232797257445309 2.8977e-09 deg/d
Q 2.918898531225139 2.5254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      4738 days (12.97 yr)  
   first obs. used      2006-10-11  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:47  

Additional Information
 Earth MOID = 1.49109 au 
 Jupiter MOID = 2.47816 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457351.5 (2015-Nov-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08578769667994816 7.0787e-08  
q 2.460274102803594 1.9199e-07 au
tp 2457258.716064846324
(2015-Aug-24.21606485)
0.00021279 TDB
node 286.2074007622423 4.646e-05 deg
peri 95.3445988370835 6.9202e-05 deg
i 10.11235574216336 6.6993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      4738 days (12.97 yr)  
   first obs. used      2006-10-11  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:47  

Additional Information
 Jupiter MOID = 2.47816 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.010862906807785E-15 -1.350718348453497E-14 -6.599718826380546E-12 -3.508786696984099E-15 -1.50570808040406E-12 -1.949705344211127E-14
q -1.350718348453497E-14 3.685932168974112E-14 1.775735658891605E-11 1.517989959428378E-14 4.0466595604755E-12 5.426655486573305E-14
tp -6.599718826380546E-12 1.775735658891605E-11 4.52803392670043E-8 -8.772359162942129E-11 1.099943839985642E-8 3.236499175863634E-11
node -3.508786696984099E-15 1.517989959428378E-14 -8.772359162942129E-11 2.158566966031356E-9 -2.146860095906306E-9 1.401313767201423E-10
peri -1.50570808040406E-12 4.0466595604755E-12 1.099943839985642E-8 -2.146860095906306E-9 4.788966150029511E-9 -1.306397762040378E-10
i -1.949705344211127E-14 5.426655486573305E-14 3.236499175863634E-11 1.401313767201423E-10 -1.306397762040378E-10 4.488005627048134E-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 16.5   n/a MPO456123  

447942 (2008 AQ99)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2008 AQ99 = 2006 UH202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 23:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin