Independent Distant Object SurveyA public search notebook

Rubin / Lasair · field record

lasair_335.5_-10.0

known

Centre RA 335.500°, Dec -10.000°. Approximate footprint half-width 1.5°.

Latest substantive campaign entry

Detections
3,518
Nights
5
Stationary removed
2
Hypotheses
57,519
Injection recovery
4/4 planted objects

Lasair campaign 2026-11-08 16:37 — 6 field(s) · complete.

Recorded log text
- injection test (V ≤ 24.0):
  recovered 4/4 planted objects; 5 candidate(s) in total
- 3518 detections, 2 stationary removed, 5 nights; 1479 anchors × hypotheses = 57519; survivors per stage [1530, 6]; 170.3s
  #1  [moderate] r= 39.65±0.476 AU  a= 42.61 e=0.080 i=16.50°  9 obs / 5 nights / 18 d  rms 0.07"  H=6.42, D≈138–345 km  [matches 2025 NL191]
- 352 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
3,518
Nights
5
Exposures
67
Stationary removed
2
Hypotheses
57,519
Search seconds
170

Report candidates and identifications

Candidate #1 moderate

Known: 2025 NL191

Distance r
39.65 AU
Observations / nights
9 / 5
Dates
2026-06-26 – 2026-07-14 (MJD 61,217.4–61,235.4)
Arc
18.0 days
Radial rms
0.07″
Orbit fit
a = 42.61 AU; e = 0.080; i = 16.50°
Absolute magnitude H
6.42
Diameter estimate
138–345 km (albedo 0.25–0.04)

Campaign history