🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.56 AU - 0.7 AU

Year: 223 Days

Day: 25.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 46,916,063 km

• M1: 372,050 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 284 Days

Day: 29.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 56.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 624 Days

Day: 26 Hours

Environment

Temp: -85 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.23 AU - 1.29 AU

Year: 631 Days

Day: 17.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,916,063 km

• M1: 42,037 km (0.116 R)
• M2: 240,254 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.07 AU - 2.47 AU

Year: 1526 Days

Day: 44.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 11.6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.37 AU - 5.27 AU

Year: 4722 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,916,063 km

• M1: 144,212 km (0.089 R)
• M2: 583,731 km (0.094 R)
• M3: 1,023,997 km (0.082 R)
• M4: 1,639,593 km (0.098 R)
• M5: 2,069,687 km (0.087 R)
• M6: 2,524,314 km (0.042 R)
• M7: 4,185,000 km (0.079 R)
• M8: 5,135,695 km (0.03 R)
• M9: 5,706,710 km (0.119 R)
• M10: 6,069,335 km (0.054 R)
• M11: 6,976,198 km (0.114 R)
• M12: 7,497,845 km (0.115 R)
• M13: 9,017,610 km (0.051 R)
• M14: 10,022,758 km (0.074 R)
• M15: 10,824,603 km (0.077 R)
• M16: 11,620,613 km (0.096 R)
• M17: 12,861,527 km (0.088 R)
• M18: 14,465,067 km (0.1 R)
• M19: 15,900,010 km (0.097 R)
• M20: 21,201,160 km (0.031 R)
• M21: 22,149,311 km (0.082 R)
• M22: 25,244,491 km (0.046 R)
• M23: 25,732,330 km (0.115 R)
• M24: 27,149,022 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.8

Radius: 3.7

Gravity: 42.21 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.08 AU - 12.02 AU

Year: 16391 Days

Day: 21.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,916,063 km

• M1: 49,218 km (0.082 R)
• M2: 284,834 km (0.035 R)
• M3: 541,843 km (0.094 R)
• M4: 811,419 km (0.078 R)
• M5: 926,609 km (0.09 R)
• M6: 1,456,934 km (0.101 R)
• M7: 1,813,575 km (0.071 R)
• M8: 2,369,181 km (0.118 R)
• M9: 3,806,817 km (0.042 R)
• M10: 9,952,597 km (0.111 R)
• M11: 10,286,499 km (0.11 R)
• M12: 11,758,542 km (0.095 R)
• M13: 12,131,639 km (0.113 R)
• M14: 13,977,827 km (0.095 R)
• M15: 18,381,090 km (0.062 R)
• M16: 27,014,533 km (0.094 R)
• M17: 34,607,672 km (0.1 R)
• M18: 45,909,791 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.4

Radius: 6.1

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 11.89 AU - 16.25 AU

Year: 23550 Days

Day: 16.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,916,063 km

• M1: 95,294 km (0.103 R)
• M2: 313,707 km (0.094 R)
• M3: 688,300 km (0.118 R)
• M4: 1,040,004 km (0.118 R)
• M5: 1,408,913 km (0.12 R)
• M6: 1,880,744 km (0.105 R)
• M7: 2,228,559 km (0.051 R)
• M8: 3,329,899 km (0.087 R)
• M9: 4,297,348 km (0.076 R)
• M10: 9,471,490 km (0.028 R)
• M11: 13,609,965 km (0.119 R)
• M12: 16,112,439 km (0.095 R)
• M13: 26,567,385 km (0.089 R)
• M14: 27,266,606 km (0.079 R)
• M15: 31,332,676 km (0.1 R)
• M16: 39,276,173 km (0.056 R)
• M17: 51,997,826 km (0.059 R)
• M18: 60,973,399 km (0.107 R)
• M19: 62,597,135 km (0.111 R)
• M20: 66,996,658 km (0.045 R)
• M21: 69,381,248 km (0.116 R)
• M22: 81,422,979 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.5

Radius: 3

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 14.75 AU - 17.15 AU

Year: 28425 Days

Day: 20.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,916,063 km

• M1: 48,470 km (0.081 R)
• M2: 201,957 km (0.052 R)
• M3: 645,664 km (0.113 R)
• M4: 1,077,404 km (0.077 R)
• M5: 1,265,448 km (0.116 R)
• M6: 3,895,977 km (0.103 R)
• M7: 21,189,790 km (0.04 R)
• M8: 26,745,257 km (0.042 R)
• M9: 27,822,511 km (0.106 R)
• M10: 31,334,920 km (0.113 R)
• M11: 39,098,451 km (0.116 R)
• M12: 39,598,706 km (0.073 R)
• M13: 43,621,094 km (0.072 R)
• M14: 44,838,072 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 17,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit