+ 
 - 
⇠
⇡

⇣
⇢
Home Home
Dynamical Type
 Advanced Query 
Total: 
X-axis: Semi-Major Axis
Y-axis: Inclination
Total Plotted:
Lowell Observatory offers this website to assist with asteroid observation planning and to faciliate data mining across multiple surveys. Orbital solutions are calculated in-house based on Minor Planet Center observations.

Asteroid populations are based on computed dynamical types.
Advanced Query:

Order By:
Constraints:
Semi-major Axis (au):
min
max
Aphelion (au):
min
max
Perihelion (au):
min
max
Eccentricity:
min
max
Inclination:
min
max
Absolute Magnitude:
min
max


 click/drag to set contraints  limited to 10,000 asteroids

 XY plot of asteroids

Plot Settings:
X-Axis

Y-Axis

Color Scale on

Max Points



Tool Descriptions

UpObjects

Interactive table of observable NEOs

AstEph

Asteroid and observatory-specific ephemeris generator.

AstFinder

Build finder chart for a given asteroid and time.

AstInfo

Return orbital and physical properties for a given asteroid.

AstObs

Observability chart for asteroids and observatory.

MOID List

Asteroids whose orbits are near one or more of the major planets.

Critical List Of Asteroids

Asteroids in need of observation due to large ephemeris uncertainty.

Asteroid Orbital Elements

Access to, and information about, the astorb orbital elements database.

Hierarchical Observing Protocol

Generate asteroid observing priority list given a set of criteria.

Lowell Observatory offers these tools to assist with asteroid observation planning and to facilitate data mining across multiple surveys. Orbital solutions are calculated in-house based on Minor Planet Center observations.

This website is in the process of being upgraded and as such is in beta status; some tools may experience bugs. If a bug is particularly important, please direct concerns to asteroid@lowell.edu.

Recent Updates

For the full history of updates see the updates page.