🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.71 AU - 1.11 AU

Year: 315 Days

Day: 33.5 Hours

Environment

Temp: 86 °C

Axial Tilt: 41.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.44 AU - 1.9 AU

Year: 784 Days

Day: 23.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.92 AU - 3.04 AU

Year: 1419 Days

Day: 38.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,215,937 km

• M1: 157,078 km (0.087 R)
• M2: 1,564,195 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.91 AU - 4.39 AU

Year: 3073 Days

Day: 44.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,215,937 km

• M1: 106,663 km (0.112 R)

Asteroid Belt

Center: 6.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 11.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.93 AU - 8.51 AU

Year: 8565 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,215,937 km

• M1: 156,779 km (0.081 R)
• M2: 613,202 km (0.077 R)
• M3: 980,315 km (0.047 R)
• M4: 1,463,067 km (0.12 R)
• M5: 1,921,435 km (0.117 R)
• M6: 3,716,011 km (0.055 R)
• M7: 7,467,926 km (0.088 R)
• M8: 8,280,841 km (0.107 R)
• M9: 9,681,525 km (0.118 R)
• M10: 13,934,742 km (0.063 R)
• M11: 15,166,083 km (0.12 R)
• M12: 16,468,631 km (0.092 R)
• M13: 18,172,551 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 15

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.62 AU - 9.02 AU

Year: 9520 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,215,937 km

• M1: 187,147 km (0.036 R)
• M2: 859,141 km (0.085 R)
• M3: 1,333,515 km (0.045 R)
• M4: 2,271,494 km (0.075 R)
• M5: 4,974,877 km (0.073 R)
• M6: 5,723,465 km (0.081 R)
• M7: 6,719,787 km (0.093 R)
• M8: 7,559,928 km (0.114 R)
• M9: 8,428,045 km (0.09 R)
• M10: 14,977,140 km (0.106 R)
• M11: 16,155,672 km (0.045 R)
• M12: 19,552,741 km (0.104 R)
• M13: 28,651,433 km (0.054 R)
• M14: 33,381,119 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.1

Radius: 7.3

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 11.69 AU - 13.65 AU

Year: 16391 Days

Day: 15.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,215,937 km

• M1: 90,806 km (0.096 R)
• M2: 411,544 km (0.108 R)
• M3: 861,235 km (0.12 R)
• M4: 1,484,160 km (0.118 R)
• M5: 4,981,459 km (0.111 R)
• M6: 5,593,614 km (0.055 R)
• M7: 5,937,390 km (0.114 R)
• M8: 6,458,888 km (0.1 R)
• M9: 7,010,455 km (0.086 R)
• M10: 10,534,233 km (0.057 R)
• M11: 10,823,705 km (0.114 R)
• M12: 12,288,268 km (0.091 R)
• M13: 15,456,003 km (0.106 R)
• M14: 19,648,184 km (0.109 R)
• M15: 19,998,991 km (0.086 R)
• M16: 21,816,007 km (0.058 R)
• M17: 22,860,948 km (0.107 R)
• M18: 23,839,468 km (0.056 R)
• M19: 34,695,785 km (0.09 R)
• M20: 39,493,090 km (0.098 R)
• M21: 41,042,774 km (0.101 R)
• M22: 45,627,351 km (0.071 R)
• M23: 48,599,561 km (0.091 R)
• M24: 52,032,084 km (0.025 R)
• M25: 52,367,183 km (0.085 R)
• M26: 52,703,779 km (0.112 R)
• M27: 63,293,363 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.7

Radius: 4.9

Gravity: 27.64 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 12.76 AU - 20.04 AU

Year: 24138 Days

Day: 17.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,215,937 km

• M1: 61,335 km (0.118 R)
• M2: 215,870 km (0.114 R)
• M3: 403,765 km (0.091 R)
• M4: 583,581 km (0.064 R)
• M5: 795,711 km (0.083 R)
• M6: 1,019,509 km (0.032 R)
• M7: 1,612,366 km (0.045 R)
• M8: 1,777,223 km (0.104 R)
• M9: 2,340,758 km (0.082 R)
• M10: 2,908,332 km (0.064 R)
• M11: 3,125,848 km (0.1 R)
• M12: 3,383,605 km (0.093 R)
• M13: 3,941,455 km (0.11 R)
• M14: 5,042,645 km (0.099 R)
• M15: 5,896,101 km (0.046 R)
• M16: 6,516,034 km (0.061 R)
• M17: 6,889,281 km (0.062 R)
• M18: 13,120,930 km (0.115 R)
• M19: 21,590,264 km (0.08 R)
• M20: 22,523,306 km (0.056 R)
• M21: 24,804,075 km (0.075 R)
• M22: 25,142,017 km (0.105 R)
• M23: 26,759,618 km (0.091 R)
• M24: 34,481,112 km (0.095 R)
• M25: 37,944,752 km (0.119 R)
• M26: 38,997,023 km (0.119 R)
• M27: 40,378,410 km (0.073 R)
• M28: 43,238,273 km (0.065 R)
• M29: 49,713,317 km (0.079 R)
• M30: 54,687,297 km (0.093 R)
• M31: 58,777,751 km (0.118 R)
• M32: 62,234,809 km (0.076 R)
• M33: 63,696,829 km (0.112 R)
• M34: 69,550,743 km (0.11 R)
• M35: 72,263,700 km (0.108 R)
• M36: 74,111,084 km (0.097 R)
• M37: 80,331,962 km (0.094 R)
• M38: 82,563,813 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.5

Radius: 4.3

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.71 AU - 19.07 AU

Year: 28662 Days

Day: 15.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,215,937 km

• M1: 55,351 km (0.118 R)
• M2: 233,373 km (0.113 R)
• M3: 1,194,240 km (0.066 R)
• M4: 1,446,911 km (0.105 R)
• M5: 3,277,241 km (0.112 R)
• M6: 5,083,934 km (0.058 R)
• M7: 6,217,736 km (0.073 R)
• M8: 6,973,355 km (0.112 R)
• M9: 7,418,708 km (0.107 R)
• M10: 7,648,490 km (0.09 R)
• M11: 8,817,448 km (0.074 R)
• M12: 11,749,267 km (0.103 R)
• M13: 13,912,602 km (0.112 R)
• M14: 16,559,886 km (0.082 R)
• M15: 22,061,198 km (0.088 R)
• M16: 24,707,285 km (0.07 R)
• M17: 25,013,811 km (0.113 R)
• M18: 26,265,048 km (0.103 R)
• M19: 34,659,732 km (0.095 R)
• M20: 35,950,911 km (0.054 R)
• M21: 41,293,051 km (0.089 R)
• M22: 42,890,158 km (0.067 R)
• M23: 43,629,471 km (0.102 R)
• M24: 47,927,867 km (0.075 R)
• M25: 51,165,165 km (0.087 R)
• M26: 53,686,637 km (0.107 R)
• M27: 59,340,239 km (0.112 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 14,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit