Independent Distant Object SurveyA public search notebook

Rubin / Lasair · field record

lasair_332.5_-14.0

known

Centre RA 332.500°, Dec -14.000°. Approximate footprint half-width 1.5°.

Latest substantive campaign entry

Detections
7,377
Nights
6
Stationary removed
0
Hypotheses
108,104
Injection recovery
3/4 planted objects

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

Recorded log text
- injection test (V ≤ 24.0):
  recovered 3/4 planted objects; 8 candidate(s) in total
- 7377 detections, 0 stationary removed, 6 nights; 2385 anchors × hypotheses = 108104; survivors per stage [6997, 42]; 413.5s
  #1  [moderate] r= 48.79±0.501 AU  a= 63.13 e=0.518 i=12.96°  6 obs / 5 nights / 18 d  rms 0.03"  H=5.73, D≈190–475 km  [matches 2025 NR190]
  #2  [weak] r= 35.92±0.506 AU  a= 48.92 e=0.441 i= 5.05°  4 obs / 4 nights / 18 d  rms 0.02"  H=7.34, D≈91–227 km  [matches 2025 NL189]
  #3  [weak] r= 41.94±0.537 AU  a= 61.69 e=0.558 i= 1.99°  5 obs / 4 nights / 18 d  rms 0.13"  H=6.94, D≈109–272 km  [matches 2025 NC193]
  #4  [weak] r= 42.86±0.558 AU  a= 65.77 e=0.597 i= 1.86°  5 obs / 4 nights / 14 d  rms 0.07"  H=5.66, D≈196–490 km  [matches 2025 NL546]
  #5  [moderate] r= 39.30±0.100 AU  a=-3903088.20 e=1.000 i=14.57°  6 obs / 5 nights / 18 d  rms 0.10"  H=6.94, D≈109–272 km  [matches 2025 NL190]
- 861 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
7,377
Nights
6
Exposures
68
Stationary removed
0
Hypotheses
108,104
Search seconds
414

Report candidates and identifications

Candidate #1 moderate

Known: 2025 NR190

Distance r
48.79 AU
Observations / nights
6 / 5
Dates
2026-06-26 – 2026-07-14 (MJD 61,217.4–61,235.3)
Arc
17.9 days
Radial rms
0.03″
Orbit fit
a = 63.13 AU; e = 0.518; i = 12.96°
Absolute magnitude H
5.73
Diameter estimate
190–475 km (albedo 0.25–0.04)

Candidate #2 weak

Known: 2025 NL189

Distance r
35.92 AU
Observations / nights
4 / 4
Dates
2026-06-26 – 2026-07-14 (MJD 61,217.4–61,235.3)
Arc
17.9 days
Radial rms
0.02″
Orbit fit
a = 48.92 AU; e = 0.441; i = 5.05°
Absolute magnitude H
7.34
Diameter estimate
91–227 km (albedo 0.25–0.04)

Candidate #3 weak

Known: 2025 NC193

Distance r
41.94 AU
Observations / nights
5 / 4
Dates
2026-06-26 – 2026-07-14 (MJD 61,217.4–61,235.3)
Arc
17.9 days
Radial rms
0.13″
Orbit fit
a = 61.69 AU; e = 0.558; i = 1.99°
Absolute magnitude H
6.94
Diameter estimate
109–272 km (albedo 0.25–0.04)

Candidate #4 weak

Known: 2025 NL546

Distance r
42.86 AU
Observations / nights
5 / 4
Dates
2026-06-30 – 2026-07-14 (MJD 61,221.4–61,235.3)
Arc
14.0 days
Radial rms
0.07″
Orbit fit
a = 65.77 AU; e = 0.597; i = 1.86°
Absolute magnitude H
5.66
Diameter estimate
196–490 km (albedo 0.25–0.04)

Candidate #5 moderate

Known: 2025 NL190

Distance r
39.30 AU
Observations / nights
6 / 5
Dates
2026-06-26 – 2026-07-14 (MJD 61,217.4–61,235.3)
Arc
17.9 days
Radial rms
0.10″
Orbit fit
a = -3,903,088.20 AU; e = 1.000; i = 14.57°
Absolute magnitude H
6.94
Diameter estimate
109–272 km (albedo 0.25–0.04)

Campaign history