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 ]  
71401 (2000 AL170)
Classification: Main-belt Asteroid          SPK-ID: 2071401
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914762301720237 3.8433e-08  
a 2.750668579830809 1.503e-08 au
q 2.223980929712171 1.0842e-07 au
i 9.202119671613278 5.0076e-06 deg
node 152.7239469302819 2.9922e-05 deg
peri 280.5492535409834 3.3589e-05 deg
M 88.98689099082264 1.3823e-05 deg
tp 2458188.611790923390
(2018-Mar-11.11179092)
6.3433e-05 TDB
period 1666.310100471673
4.56
1.3658e-05
3.739e-08
d
yr
n .2160462208673504 1.7708e-09 deg/d
Q 3.277356229949446 1.7908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:26:23  

Additional Information
 Earth MOID = 1.26057 au 
 Jupiter MOID = 2.07406 au 
 T_jup = 3.301 
[ 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 15.1   n/a MPO296646  
diameter diameter 5.848 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71401 (2000 AL170)          Discovered 2000-Jan-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin