🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.63 AU - 0.75 AU

Year: 240 Days

Day: 29.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,442,523 km

• M1: 51,462 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.61 AU - 0.99 AU

Year: 300 Days

Day: 19 Hours

Environment

Temp: -14 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 55,442,523 km

• M1: 760,107 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.7 AU - 1 AU

Year: 328 Days

Day: 27.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 55,442,523 km

• M1: 86,168 km (0.11 R)
• M2: 793,766 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.32 AU - 2.48 AU

Year: 1558 Days

Day: 38.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.15 AU - 3.41 AU

Year: 1942 Days

Day: 22.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 12.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.99 AU - 8.17 AU

Year: 9623 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,442,523 km

• M1: 155,582 km (0.107 R)
• M2: 599,588 km (0.102 R)
• M3: 1,016,518 km (0.052 R)
• M4: 1,445,564 km (0.11 R)
• M5: 1,926,671 km (0.119 R)
• M6: 4,173,930 km (0.093 R)
• M7: 6,405,781 km (0.059 R)
• M8: 14,047,240 km (0.11 R)
• M9: 15,655,118 km (0.076 R)
• M10: 16,814,202 km (0.12 R)
• M11: 19,097,664 km (0.077 R)
• M12: 20,136,921 km (0.082 R)
• M13: 20,706,440 km (0.028 R)
• M14: 21,728,941 km (0.116 R)
• M15: 22,861,547 km (0.12 R)
• M16: 24,998,851 km (0.117 R)
• M17: 27,352,624 km (0.091 R)
• M18: 31,534,633 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.8

Radius: 3.8

Gravity: 37.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.26 AU - 10.92 AU

Year: 14439 Days

Day: 22.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,442,523 km

• M1: 47,423 km (0.085 R)
• M2: 166,353 km (0.076 R)
• M3: 755,918 km (0.058 R)
• M4: 944,711 km (0.085 R)
• M5: 1,673,402 km (0.076 R)
• M6: 2,543,762 km (0.112 R)
• M7: 4,783,691 km (0.08 R)
• M8: 5,082,288 km (0.102 R)
• M9: 5,680,381 km (0.119 R)
• M10: 6,323,951 km (0.095 R)
• M11: 10,338,110 km (0.03 R)
• M12: 11,409,680 km (0.082 R)
• M13: 11,762,881 km (0.117 R)
• M14: 15,276,635 km (0.116 R)
• M15: 17,814,114 km (0.118 R)
• M16: 18,289,387 km (0.071 R)
• M17: 20,967,189 km (0.115 R)
• M18: 26,363,633 km (0.081 R)
• M19: 27,501,624 km (0.095 R)
• M20: 29,764,441 km (0.048 R)
• M21: 30,433,144 km (0.108 R)
• M22: 33,326,965 km (0.074 R)
• M23: 34,168,902 km (0.077 R)
• M24: 42,816,107 km (0.103 R)
• M25: 44,675,310 km (0.092 R)
• M26: 49,169,828 km (0.12 R)
• M27: 52,006,204 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.1

Radius: 4.1

Gravity: 23.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.81 AU - 13.17 AU

Year: 16318 Days

Day: 24.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,442,523 km

• M1: 58,792 km (0.068 R)
• M2: 395,986 km (0.066 R)
• M3: 885,769 km (0.09 R)
• M4: 1,473,090 km (0.083 R)
• M5: 1,883,138 km (0.1 R)
• M6: 2,305,902 km (0.055 R)
• M7: 2,635,316 km (0.112 R)
• M8: 3,703,445 km (0.08 R)
• M9: 4,067,566 km (0.04 R)
• M10: 5,584,489 km (0.119 R)
• M11: 6,647,830 km (0.048 R)
• M12: 11,543,271 km (0.08 R)
• M13: 12,810,215 km (0.119 R)
• M14: 14,300,958 km (0.082 R)
• M15: 15,403,794 km (0.097 R)
• M16: 25,536,656 km (0.11 R)
• M17: 25,834,954 km (0.115 R)
• M18: 26,539,859 km (0.117 R)
• M19: 27,882,949 km (0.106 R)
• M20: 29,488,283 km (0.088 R)
• M21: 34,309,075 km (0.094 R)
• M22: 37,159,064 km (0.062 R)
• M23: 41,654,929 km (0.058 R)
• M24: 42,345,323 km (0.065 R)
• M25: 54,123,762 km (0.08 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 14,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit