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A Minor-Planet Follow-Up Page

The asteroids in the list below have been discovered by the ADAS programme,some of them are in need of follow-up observations. Use the "Display Summary"option to get information on the actual need of further observations. Should you be interested in performing such observations, please send a copy of your submission to the MPC also to us Gerhard Hahn or Sara Magrin

Other observers also have their own follow-up pages, check out this list of links.

A PDF document describing the use of the MPES is available.

Information on any known problems with this service is available.


Astrometric observations of any of the following objects should be sent directly to mpc@cfa.harvard.edu. Updated orbits will be available automatically through this page.

Display ephemerides or summary

The following objects are available:

    2001 YA6

    2001 YM6

    2001 YN6

    2001 YO6

    2001 YP6

    2001 YS90

    2001 YR140

    2001 YS145

    2001 YT145

    2001 YG157

    2001 YH157

    2001 YJ157

    2001 YK157

    2002 AD1

    2002 AE1

    2002 AF1

    2002 AG1

    2002 AH1

    2002 AJ1

    2002 AK1

    2002 AL1

    2002 AH3

    2002 AJ3

    2002 AK3

    2002 AY4

    2002 AZ4

    2002 AA5

    2002 AB5

    2002 AO6

    2002 AP6

    2002 AQ6

    2002 AR6

    2002 AS6

    2002 AT6

    2002 AU6

    2002 AV6

    2002 AW6

    2002 AX6

    2002 AY6

    2002 AZ6

    2002 AA7

    2002 AB7

    2002 AC7

    2002 AD7

    2002 AE7

    2002 AF7

    2002 AG7

    2002 AH7

    2002 AJ7

    2002 AK7

    2002 AL7

    2002 AM7

    2002 AN7

    2002 AE18

    2002 AF18

    2002 AG18

    2002 AH18

    2002 AJ18

    2002 AK18

    2002 AL18

    2002 AM18

    2002 AG27

    2002 AZ128

    2002 AQ181

    2002 AH183

    2002 AV189

    2002 AE203

    2002 AQ203

    2002 AX203

    2002 AY203

    2002 AZ203

    2002 AA204

    2002 AB204

    2002 AC204

    2002 AD204

    2002 AE204

    2002 BC28

    2002 BD28

    2002 BN31

    2002 CF

    2002 CP

    2002 CQ

    2002 CR

    2002 CS

    2002 CT

    2002 CU

    2002 CV

    2002 CW

    2002 CX

    2002 CY

    2002 CZ

    2002 CA1

    2002 CB1

    2002 CC1

    2002 CD1

    2002 CE1

    2002 CF1

    2002 CG1

    2002 CP1

    2002 CQ1


Options:

By default, ephemerides are geocentric, begin now and are for 20 days at 1 day intervals.

Start date for ephemerides: Number of dates to output

Ephemeris interval: Ephemeris units: days hours minutes seconds

Observatory code:

Display positions in: truncated sexagesimal or full sexagesimal or decimal units

Display motions as: "/sec "/min "/hr °/day

Total motion and direction Separate R.A. and Decl. sky motions Separate R.A. and Decl. coordinate motions

Generate perturbed ephemerides for unperturbed orbits

Also display elements for epoch

Format for elements output:

none MPC 1-line MPC 8-line
SkyMap (SkyMap Software) Guide (Project Pluto) xephem (E. Downey)
Home Planet (J. Walker) MyStars! (Relative Data Products) TheSky (Software Bisque)
Starry Night (Sienna Software) Deep Space (D. S. Chandler) PC-TCS (D. Harvey)
Earth Centered Universe (Nova Astronomics) Dance of the Planets (ARC) MegaStar V4.x (E.L.B. Software)
SkyChart 2000.0 (Southern Stars Software) Voyager II (Carina Software) SkyTools (CapellaSoft)
Autostar (Meade Instruments)

If you select 8-line MPC format, you may display the residual block for the objects selected:

Show residuals blocks. Show only residual lines containing observations from code . If you select 8-line MPC format the elements will be displayed with the ephemerides. If you select any format other than 8-line MPC format, only the elements are returned. In such cases your browser should download the elements file and save it to your local disk.


Supplementary Information

Summary
The summary lists the current J2000.0 coordinates, visual magnitude and solar elongation of the selected minor planets, as well as information on the date of last observation (where available), forthcoming opposition data and details on the latest published orbit. The opposition data lists the date of the next opposition and the declination and visual magnitude at that time.

Formats
The list of available formats for the orbital elements was correct at the time this document was prepared. It is possible that the Minor Planet Center now supports futher formats. If you select the summary option, any newly supported formats will be listed.

Elements
The elements supplied are the latest published elements for the specified objects. Elements will be found even if the designation you enter is a non-principal designation in an identification or if the object has been numbered.

Ephemerides can be supplied for objects with only Väisälä elements, but the elements themselves are not supplied.

Ephemerides
The ephemerides supplied for minor planets and comets are perturbed (if the orbits were computed with perturbations) and can be generated over the time period 1900 to 2040. Objects with unperturbed orbit solutions will return unperturbed ephemerides. Objects must be identified in images by their motion, not by their apparent closeness to a predicted position.

The time-scale of the supplied ephemerides is UTC.

If you desire a topocentric ephemeris, enter your observatory code in the appropriate box. When local circumstances are displayed, the azimuths are reckoned westwards from the south meridian.

As an aide-mémoire, the packed form of the object's designation (as used on the astrometric observation record) is displayed immediately above the ephemeris.


This service utilises the Minor Planet Ephemeris Service, courtesy of the IAU's Minor Planet Center. It has been made possible by Process Software Corporation, and their excellent VMS Web server, Purveyor.

The calculations will be performed on the Tamkin Foundation Computing Network.




Updated on June 17, 2003 by Gerhard Hahn
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