# Proteus (Q16081)

| Property ID | Property | Value | Value entity | Amount | Unit | Date / from | Until | Rank | Sources |
| --- | --- | --- | --- | ---: | --- | --- | --- | --- | --- |
| P61 | Discovered by | Stephen P. Synnott | Q376170 |  |  |  |  | normal |  |
| P61 | Discovered by | Voyager 2 | Q48475 |  |  |  |  | normal |  |
| P138 | Named after | Proteus | Q191481 |  |  |  |  | normal |  |
| P397 | Orbits | Neptune | Q332 |  |  |  |  | normal |  |
| P31 | Instance of | moon of Neptune | Q2139 |  |  |  |  | normal |  |
| P31 | Instance of | regular moon | Q1086783 |  |  |  |  | normal |  |
| P490 | Provisional designation | S/1989 N 1 |  |  |  |  |  | normal |  |
| P575 | Discovered | June 16, 1989 |  |  |  |  |  | normal |  |
| P4501 | Albedo | 0.096 |  | 0.096 |  |  |  | normal |  |
| P1215 | Apparent magnitude | 19.7 |  | 19.7 |  |  |  | normal |  |
| P1096 | Eccentricity | 0.00053 |  | 0.00053 |  |  |  | normal |  |
| P2233 | Semi-major axis | 117,647 km |  | 117647 | km |  |  | normal |  |
| P2067 | Mass | 50 zettagram |  | 50 | zettagram |  |  | normal | https://ssd.jpl.nasa.gov/?sat_phys_par |
| P2045 | Inclination | 0.524 degree |  | 0.524 | degree |  |  | normal |  |
| P2045 | Inclination | 0.026 degree |  | 0.026 | degree |  |  | normal |  |
| P2234 | Volume as quantity | 34M cubic kilometre |  | 34000000 | cubic kilometre |  |  | normal | https://ssd.jpl.nasa.gov/?sat_phys_par |
| P2146 | Orbital period | 1.1223 days |  | 1.122314 | days |  |  | normal | https://ssd.jpl.nasa.gov/?sat_phys_par |
| P2120 | Radius | 209 km |  | 209 | km |  |  | normal | Proteus: Geology, shape, and catastrophic destruction |
| P2120 | Radius | 210 km |  | 210 | km |  |  | normal | Sizes, shapes, and albedos of the inner satellites of Neptune |
| P2076 | Temperature | 51 K |  | 51 | K |  |  | normal |  |
| P6259 | Epoch | August 18, 1989 | Q69298195 |  |  |  |  | normal |  |
| P2581 | BabelNet ID | 00946356n |  |  |  |  |  | normal | https://babelnet.org/synset?id=bn%00946356n&lang=EN |
| P9885 | Bing entity ID | 3de89cbd-14ea-6da1-d797-091d4463669a |  |  |  |  |  | normal |  |
| P6706 | De Agostini ID | Pròteo+(astronomia) |  |  |  |  |  | normal | https://www.sapere.it/enciclopedia/Pr%C3%B2teo%2B(astronomia).html |
| P1417 | Encyclopædia Britannica Online ID | topic/Proteus-astronomy |  |  |  |  |  | normal | https://www.britannica.com/topic/Proteus-astronomy |
| P6262 | Fandom article ID | thesolarsystem:Proteus |  |  |  |  |  | normal | https://community.fandom.com/wiki/w:c:thesolarsystem%3AProteus |
| P646 | Freebase ID | /m/016wct |  |  |  |  |  | normal | https://www.google.com/search?kgmid=/m/016wct |
| P7982 | Hrvatska enciklopedija ID | 68445 |  |  |  |  |  | normal | https://www.enciklopedija.hr/clanak/68445 |
| P2956 | NAIF ID | 808 |  |  |  |  |  | normal |  |
| P9807 | SNK ID | 211823 |  |  |  |  |  | normal | https://autority.snk.sk/vufind/AuthorityRecord/211823 |
| P4839 | Wolfram Language entity code | Entity["PlanetaryMoon", "Proteus"] |  |  |  |  |  | normal | https://www.wolframalpha.com/input/?i=Entity%5B%22PlanetaryMoon%22%2C%20%22Proteus%22%5D |

Source: https://aidb.si/e/proteus-Q16081 — Wikidata (CC0) via AIDB