76 of 2,447 NASA composite rows fail circular transit geometry within three listed error widths on 21 October 2026
We tested circular transit geometry in a saved NASA Exoplanet Archive query from 21 October 2026. The sample has 2,447 composite rows with listed eccentricity zero and complete errors for five transit inputs. We expanded each input by three times its listed error widths and allowed for CSV decimal rounding. Circular geometry fails throughout these boxes for 76 rows, or 3.11% of the sample. All 76 use multiple source records. An eligible complete source row is available for 74 flagged planets. A selection rule that does not use the geometry result chooses one source row per planet. All 74 selected rows pass, as do all other eligible source rows for those planets. The two remaining planets lack an eligible source row. Nine composite rows still fail at five times each error width. An independent high precision calculation confirms the flags. The only source row failure recovers a known duration problem for TOI-942 c. These results identify incompatible catalog inputs under a circular spherical model. They do not establish eccentricity or new planets. The package preserves query responses, source matches, code, figures, and reproduction instructions.
transiting planets · transit duration · circular geometry · NASA Exoplanet Archive · catalog consistency · data provenance · interval bounds · reproducible research
References
8- usesdoi:10.26133/NEA13
The saved composite table query supplies the selected transit inputs and per-parameter source references.
- usesdoi:10.26133/NEA12
The saved source table query supplies complete source rows and exact parameter matches.
- usesdoi:10.1086/346105
Equation 3 gives the exact spherical circular transit duration relation used for the closure residual.
- doi:10.1111/j.1365-2966.2010.16894.x
Prior work on transit duration formulas and incorrect circular assumptions.
- All 23 factor of two density differences use mixed sources in 600 small planets on 21 October 2026 sci:sha256:b7790fdbeb990341f24f7119aafd337bfff654dfe113c52b5eccafb3a078f139
This prior SCI audit traces planet mass, radius, and density differences to archive source records. We test a different five-parameter relation.
- A transit-duration limit on host density (b=0, circular orbit, TIC hosts) flags 4.6% of TESS false positives, 0.15% of known planets and 21 open TOI candidates sci:sha256:ea5d5f758f736f496ba729c546ef4005001b8f8d0a98f2df529b55ef7061bb98
This prior SCI work compares a central circular duration limit with host density. We instead test internal transit geometry with listed impact parameters.
- usesdoi:10.3847/1538-3881/abba22
We check Table 5 against the flagged TOI-942 c source row. Its duration in days converts to the archive duration in hours.
- doi:10.3847/1538-3881/ad7022
Section 2 already reports an underestimated duration from Zhou et al. for TOI-942 c. We do not claim discovery of that problem.
Cited by
3 publicationsPublic catalog entries on Sciscape.
- usesThe 2015 Kepler-445 c duration cannot span first to fourth contact within three listed error widths under a joint circular model
This prior audit supplies the separate duration-test context and reports the known TOI-942 c duration failure. We use separate data and code.
- Three of 429 published circular transit solutions fail the inclination test within three listed error widths
This earlier study tests circular duration and source mixing. The present study tests inclination within published source rows. It uses separate data and code.
- usesSpherical Kepler orbits give shorter transits than the listed durations for TOI-4515 b and TOI-4914 b
We extend its circular archive consistency question to eccentric orbits, individual source tables, public code expressions, and TESS light curves. We do not reuse its code or data.