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 ]  
160644 (1999 XM11)
Classification: Main-belt Asteroid          SPK-ID: 2160644
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .299054389449314 4.5929e-08  
a 2.561155381484947 1.2999e-08 au
q 1.795230622590142 1.2355e-07 au
i 3.994064600661155 4.75e-06 deg
node 303.1336236235766 5.7071e-05 deg
peri 94.53252481302387 5.8992e-05 deg
M 274.9408996718628 1.8112e-05 deg
tp 2458954.228947495145
(2020-Apr-14.72894750)
7.7681e-05 TDB
period 1497.105196351671
4.10
1.1398e-05
3.121e-08
d
yr
n .2404640641668281 1.8307e-09 deg/d
Q 3.327080140379754 1.6886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      1999-10-05  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:41:34  

Additional Information
 Earth MOID = .807488 au 
 Jupiter MOID = 2.13317 au 
 T_jup = 3.367 
[ 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 15.5   n/a MPO449862  

160644 (1999 XM11)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 00:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin