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 ]  
91219 (1999 AN7)
Classification: Main-belt Asteroid          SPK-ID: 2091219
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109863407375478 3.9283e-08  
a 2.194805745229929 8.0306e-09 au
q 1.951212286937113 8.7267e-08 au
i 2.685794198563182 4.2182e-06 deg
node 263.797038984851 0.00010591 deg
peri 178.2359090195951 0.00010953 deg
M 229.905857775979 2.7548e-05 deg
tp 2459429.688227179775
(2021-Aug-03.18822718)
9.1991e-05 TDB
period 1187.661174771865
3.25
6.5183e-06
1.785e-08
d
yr
n .3031167538748175 1.6636e-09 deg/d
Q 2.438399203522746 8.9219e-09 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1991-10-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:44  

Additional Information
 Earth MOID = .967101 au 
 Jupiter MOID = 2.74067 au 
 T_jup = 3.660 
[ 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 16.3   n/a MPO333564  

91219 (1999 AN7)          Discovered 1999-Jan-11 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 AN7 = 2001 UJ112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-21 07:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin