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 ]  
71238 (2000 AL7)
Classification: Main-belt Asteroid          SPK-ID: 2071238
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2519085824990228 6.6982e-08  
a 2.563903141602835 1.4574e-08 au
q 1.918033935536873 1.8029e-07 au
i 5.00840675943948 5.5067e-06 deg
node 351.1910321897277 3.6416e-05 deg
peri 41.70923883042813 3.8951e-05 deg
M 289.7202070743306 1.5106e-05 deg
tp 2458893.237811050274
(2020-Feb-13.73781105)
6.4927e-05 TDB
period 1499.51511794519
4.11
1.2785e-05
3.5e-08
d
yr
n .2400776062153438 2.047e-09 deg/d
Q 3.209772347668796 1.8245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      14979 days (41.01 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:52  

Additional Information
 Earth MOID = .926615 au 
 Jupiter MOID = 2.2551 au 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO410530  

71238 (2000 AL7)          Discovered 2000-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AL7 = 1978 RA9 = 1978 RF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-15 00:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin