This pageOne object's full report: the images, the measurements, the JPL check and what could make it wrong.
Moving object U in Virgo
Object ID obj-sv-2025w212c-l1869-n014-c02
Moves about 53 arcseconds per hour across 4 images over 16.4 hours. No catalogued asteroid or comet in JPL's databases explains it (the nearest, 190861 (2001 SC280), was 427″ away).
- Sightings
- 4
- Visits
- 2
- Tracked over
- 16 hours
- Speed
- 52.6″ per hour
- Where
- Main asteroid belt
- Orbit
- Preliminary orbit
- Signal quality
- Low quality 0.00
An unmatched candidate may be an imaging artifact, a measurement error, or an object missing from the catalogs we checked. This is not a discovery claim.
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The astrometry files hold every SPHEREx detection with the spacecraft's position. They are drafts for planning, not Minor Planet Center submissions: the station code is a placeholder (XXX). The ephemeris is approximate: it comes from a preliminary orbit fitted to the measured motion, with its 1σ uncertainty on every row.