🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.66 AU - 0.74 AU

Year: 213 Days

Day: 32 Hours

Environment

Temp: 167 °C

Axial Tilt: 149.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.98 AU - 0.98 AU

Year: 353 Days

Day: 22.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.94 AU - 1.1 AU

Year: 374 Days

Day: 25.8 Hours

Environment

Temp: 24 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.82 AU - 3.96 AU

Year: 2268 Days

Day: 22 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 10.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.54 AU - 6.78 AU

Year: 4894 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,119,016 km

• M1: 125,961 km (0.055 R)
• M2: 579,243 km (0.074 R)
• M3: 1,321,248 km (0.1 R)
• M4: 1,797,718 km (0.055 R)
• M5: 2,265,211 km (0.062 R)
• M6: 2,709,965 km (0.08 R)
• M7: 3,155,617 km (0.082 R)
• M8: 3,608,450 km (0.075 R)
• M9: 4,869,261 km (0.108 R)
• M10: 5,586,284 km (0.048 R)
• M11: 5,985,112 km (0.087 R)
• M12: 7,397,166 km (0.11 R)
• M13: 8,163,257 km (0.062 R)
• M14: 8,942,961 km (0.07 R)
• M15: 12,373,689 km (0.08 R)
• M16: 15,406,187 km (0.111 R)
• M17: 15,852,288 km (0.112 R)
• M18: 16,192,623 km (0.107 R)
• M19: 17,242,651 km (0.091 R)
• M20: 19,348,989 km (0.102 R)
• M21: 20,397,370 km (0.104 R)
• M22: 23,769,606 km (0.075 R)
• M23: 24,290,505 km (0.103 R)
• M24: 26,849,826 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 9.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.54 AU - 6.64 AU

Year: 6148 Days

Day: 8.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,119,016 km

• M1: 115,639 km (0.109 R)
• M2: 550,221 km (0.101 R)
• M3: 1,094,757 km (0.115 R)
• M4: 2,194,302 km (0.102 R)
• M5: 3,725,585 km (0.092 R)
• M6: 4,169,592 km (0.044 R)
• M7: 5,079,895 km (0.117 R)
• M8: 7,009,408 km (0.083 R)
• M9: 8,061,829 km (0.117 R)
• M10: 8,448,091 km (0.1 R)
• M11: 10,341,701 km (0.118 R)
• M12: 13,073,358 km (0.074 R)
• M13: 13,770,185 km (0.053 R)
• M14: 20,053,445 km (0.115 R)
• M15: 24,892,338 km (0.087 R)
• M16: 26,550,929 km (0.066 R)
• M17: 28,905,301 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.6

Radius: 14.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.32 AU - 13.3 AU

Year: 12917 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,119,016 km

• M1: 302,636 km (0.072 R)
• M2: 864,526 km (0.059 R)
• M3: 2,437,847 km (0.053 R)
• M4: 7,392,379 km (0.114 R)
• M5: 10,142,736 km (0.103 R)
• M6: 11,836,782 km (0.091 R)
• M7: 12,939,917 km (0.118 R)
• M8: 14,244,859 km (0.093 R)
• M9: 15,209,316 km (0.114 R)
• M10: 16,662,360 km (0.118 R)
• M11: 21,134,439 km (0.111 R)
• M12: 22,572,524 km (0.039 R)
• M13: 23,883,599 km (0.116 R)
• M14: 25,643,020 km (0.096 R)
• M15: 26,657,293 km (0.08 R)
• M16: 28,335,333 km (0.109 R)
• M17: 29,309,664 km (0.089 R)
• M18: 30,418,333 km (0.117 R)
• M19: 39,777,027 km (0.105 R)
• M20: 43,659,540 km (0.116 R)
• M21: 52,008,747 km (0.112 R)
• M22: 56,302,355 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 12.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 12.28 AU - 12.5 AU

Year: 15850 Days

Day: 8.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,119,016 km

• M1: 238,010 km (0.105 R)
• M2: 643,271 km (0.115 R)
• M3: 1,110,764 km (0.041 R)
• M4: 2,040,964 km (0.066 R)
• M5: 5,185,062 km (0.097 R)
• M6: 7,552,897 km (0.104 R)
• M7: 8,404,259 km (0.092 R)
• M8: 8,925,607 km (0.113 R)
• M9: 10,566,696 km (0.03 R)
• M10: 11,344,605 km (0.116 R)
• M11: 12,220,052 km (0.106 R)
• M12: 17,899,086 km (0.058 R)
• M13: 18,367,327 km (0.058 R)
• M14: 26,012,527 km (0.108 R)
• M15: 30,308,529 km (0.118 R)
• M16: 30,862,789 km (0.106 R)
• M17: 31,423,930 km (0.052 R)
• M18: 33,618,232 km (0.042 R)
• M19: 34,934,394 km (0.111 R)
• M20: 44,267,805 km (0.056 R)
• M21: 46,726,147 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.7

Radius: 5.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.12 AU - 14.98 AU

Year: 19140 Days

Day: 19.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,119,016 km

• M1: 139,126 km (0.102 R)
• M2: 515,963 km (0.051 R)
• M3: 743,801 km (0.103 R)
• M4: 1,448,556 km (0.118 R)
• M5: 1,849,179 km (0.112 R)
• M6: 2,585,051 km (0.069 R)
• M7: 3,647,046 km (0.117 R)
• M8: 12,560,536 km (0.081 R)
• M9: 16,236,007 km (0.11 R)
• M10: 17,202,858 km (0.068 R)
• M11: 17,414,987 km (0.1 R)
• M12: 19,023,912 km (0.049 R)
• M13: 20,254,505 km (0.05 R)
• M14: 33,475,665 km (0.104 R)
• M15: 34,586,579 km (0.072 R)
• M16: 43,451,001 km (0.048 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 4

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.99 AU - 18.33 AU

Year: 23610 Days

Day: 17.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,119,016 km

• M1: 49,816 km (0.075 R)
• M2: 222,751 km (0.055 R)
• M3: 496,216 km (0.097 R)
• M4: 1,347,129 km (0.049 R)
• M5: 2,528,653 km (0.074 R)
• M6: 10,773,440 km (0.097 R)
• M7: 15,970,769 km (0.12 R)
• M8: 20,410,385 km (0.084 R)
• M9: 22,243,558 km (0.113 R)
• M10: 25,606,967 km (0.084 R)
• M11: 31,739,582 km (0.101 R)
• M12: 33,816,299 km (0.056 R)
• M13: 37,564,773 km (0.101 R)
• M14: 38,782,201 km (0.055 R)
• M15: 46,797,804 km (0.118 R)
• M16: 47,108,369 km (0.087 R)
• M17: 55,501,408 km (0.088 R)
• M18: 56,198,834 km (0.072 R)
• M19: 60,691,108 km (0.117 R)
• M20: 62,365,258 km (0.119 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 17,311 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit