🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.62 AU - 0.86 AU

Year: 235 Days

Day: 46.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,610,977 km

• M1: 35,006 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.84 AU - 1.18 AU

Year: 375 Days

Day: 33.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.92 AU - 2.34 AU

Year: 1147 Days

Day: 33.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.19 AU - 5.17 AU

Year: 3153 Days

Day: 22.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,610,977 km

• M1: 27,227 km (0.07 R)

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 10.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.64 AU - 7.88 AU

Year: 6485 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,610,977 km

• M1: 133,142 km (0.084 R)
• M2: 674,238 km (0.119 R)
• M3: 2,479,585 km (0.115 R)
• M4: 3,165,641 km (0.076 R)
• M5: 3,647,794 km (0.116 R)
• M6: 5,534,523 km (0.043 R)
• M7: 6,546,702 km (0.109 R)
• M8: 7,130,433 km (0.069 R)
• M9: 7,469,571 km (0.108 R)
• M10: 17,955,335 km (0.106 R)
• M11: 18,905,431 km (0.098 R)
• M12: 24,777,447 km (0.115 R)
• M13: 26,759,768 km (0.077 R)
• M14: 27,831,337 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 8.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.59 AU - 7.09 AU

Year: 6600 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,610,977 km

• M1: 108,309 km (0.119 R)
• M2: 472,729 km (0.118 R)
• M3: 818,450 km (0.099 R)
• M4: 1,403,976 km (0.034 R)
• M5: 1,985,613 km (0.114 R)
• M6: 2,274,336 km (0.097 R)
• M7: 2,886,341 km (0.117 R)
• M8: 3,203,938 km (0.099 R)
• M9: 4,036,899 km (0.098 R)
• M10: 4,389,950 km (0.108 R)
• M11: 5,157,985 km (0.048 R)
• M12: 5,547,538 km (0.066 R)
• M13: 6,653,216 km (0.062 R)
• M14: 8,207,687 km (0.074 R)
• M15: 8,595,594 km (0.034 R)
• M16: 9,638,292 km (0.087 R)
• M17: 13,415,937 km (0.032 R)
• M18: 13,757,170 km (0.119 R)
• M19: 16,090,897 km (0.066 R)
• M20: 16,531,761 km (0.059 R)
• M21: 17,611,110 km (0.095 R)
• M22: 23,439,742 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.1

Radius: 15

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 9.65 AU - 14.71 AU

Year: 15684 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,610,977 km

• M1: 186,549 km (0.059 R)
• M2: 2,286,753 km (0.113 R)
• M3: 3,011,405 km (0.102 R)
• M4: 4,223,148 km (0.11 R)
• M5: 5,253,877 km (0.107 R)
• M6: 5,920,186 km (0.109 R)
• M7: 6,963,781 km (0.04 R)
• M8: 9,926,866 km (0.063 R)
• M9: 14,236,930 km (0.063 R)
• M10: 15,748,467 km (0.102 R)
• M11: 25,532,317 km (0.09 R)
• M12: 32,363,405 km (0.081 R)
• M13: 37,709,285 km (0.119 R)
• M14: 38,610,762 km (0.083 R)
• M15: 41,537,943 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119

Radius: 7.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 10.72 AU - 16.5 AU

Year: 18525 Days

Day: 23.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,610,977 km

• M1: 100,679 km (0.099 R)
• M2: 391,647 km (0.081 R)
• M3: 1,246,449 km (0.1 R)
• M4: 2,747,215 km (0.106 R)
• M5: 3,592,443 km (0.04 R)
• M6: 4,945,406 km (0.093 R)
• M7: 7,825,165 km (0.077 R)
• M8: 9,685,714 km (0.094 R)
• M9: 10,061,953 km (0.056 R)
• M10: 18,901,242 km (0.063 R)
• M11: 31,027,795 km (0.1 R)
• M12: 31,845,348 km (0.071 R)
• M13: 34,059,845 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.7

Radius: 7.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 13.28 AU - 18.72 AU

Year: 23613 Days

Day: 15.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,610,977 km

• M1: 105,766 km (0.105 R)
• M2: 1,233,434 km (0.098 R)
• M3: 1,631,066 km (0.085 R)
• M4: 2,727,169 km (0.066 R)
• M5: 5,294,568 km (0.105 R)
• M6: 9,246,944 km (0.074 R)
• M7: 14,347,782 km (0.065 R)
• M8: 14,751,696 km (0.1 R)
• M9: 15,232,654 km (0.087 R)
• M10: 23,384,391 km (0.058 R)
• M11: 26,978,779 km (0.091 R)
• M12: 33,328,012 km (0.084 R)
• M13: 40,471,909 km (0.081 R)
• M14: 45,041,226 km (0.067 R)
• M15: 47,822,101 km (0.091 R)
• M16: 53,401,204 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.9

Radius: 5

Gravity: 24.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 15.18 AU - 20.42 AU

Year: 27708 Days

Day: 15 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,610,977 km

• M1: 67,618 km (0.086 R)
• M2: 263,292 km (0.056 R)
• M3: 720,314 km (0.112 R)
• M4: 1,544,748 km (0.097 R)
• M5: 1,864,139 km (0.09 R)
• M6: 2,534,038 km (0.111 R)
• M7: 3,821,478 km (0.08 R)
• M8: 4,699,468 km (0.026 R)
• M9: 5,125,373 km (0.034 R)
• M10: 6,558,221 km (0.067 R)
• M11: 7,860,620 km (0.086 R)
• M12: 9,688,856 km (0.113 R)
• M13: 11,852,490 km (0.085 R)
• M14: 12,639,823 km (0.107 R)
• M15: 13,083,830 km (0.082 R)
• M16: 13,309,573 km (0.092 R)
• M17: 14,881,996 km (0.104 R)
• M18: 18,390,365 km (0.072 R)
• M19: 19,935,711 km (0.102 R)
• M20: 20,841,975 km (0.119 R)
• M21: 23,172,411 km (0.11 R)
• M22: 23,836,925 km (0.079 R)
• M23: 24,742,441 km (0.09 R)
• M24: 31,598,212 km (0.05 R)
• M25: 32,277,835 km (0.113 R)
• M26: 35,238,975 km (0.083 R)
• M27: 39,305,644 km (0.034 R)
• M28: 40,887,791 km (0.079 R)
• M29: 48,176,349 km (0.087 R)
• M30: 51,655,397 km (0.104 R)
• M31: 52,219,680 km (0.045 R)
• M32: 64,167,164 km (0.065 R)
• M33: 71,582,880 km (0.082 R)
• M34: 72,754,082 km (0.088 R)
• M35: 82,075,376 km (0.055 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit