Independent Distant Object SurveyA public search notebook

Rubin / Lasair · field record

lasair_335.5_-7.0

known

Centre RA 335.500°, Dec -7.000°. Approximate footprint half-width 1.5°.

Latest substantive campaign entry

Detections
4,076
Nights
5
Stationary removed
0
Hypotheses
29,669
Injection recovery
4/4 planted objects

Lasair campaign 2026-11-08 18:42 — 23 field(s) · complete.

Recorded log text
- injection test (V ≤ 24.0):
  recovered 4/4 planted objects; 5 candidate(s) in total
- 4076 detections, 0 stationary removed, 5 nights; 2093 anchors × hypotheses = 29669; survivors per stage [1190, 6]; 87.1s
  #1  [weak] r= 47.56±0.552 AU  a= 52.16 e=0.341 i= 2.32°  5 obs / 4 nights / 15 d  rms 0.04"  H=5.81, D≈183–458 km  [matches 2025 NR189]
- 182 s

On-disk search report

This report may describe a different rerun from the campaign log. Statistics are shown separately; curated findings supply reviewed identifications.

Detections
4,076
Nights
5
Exposures
60
Stationary removed
0
Hypotheses
29,669
Search seconds
87

Report candidates and identifications

Candidate #1 weak

Known: 2025 NR189

Distance r
47.56 AU
Observations / nights
5 / 4
Dates
2026-06-26 – 2026-07-11 (MJD 61,217.4–61,232.4)
Arc
15.0 days
Radial rms
0.04″
Orbit fit
a = 52.16 AU; e = 0.341; i = 2.32°
Absolute magnitude H
5.81
Diameter estimate
183–458 km (albedo 0.25–0.04)

Campaign history