🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.79 AU - 0.81 AU

Year: 254 Days

Day: 18.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.1 AU - 1.62 AU

Year: 563 Days

Day: 26.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 92.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,860,442 km

• M1: 312,510 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.63 AU - 3.45 AU

Year: 1880 Days

Day: 25.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,860,442 km

• M1: 405,560 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 10.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.88 AU - 8.4 AU

Year: 6768 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,860,442 km

• M1: 129,402 km (0.082 R)
• M2: 512,223 km (0.108 R)
• M3: 858,243 km (0.085 R)
• M4: 1,286,841 km (0.107 R)
• M5: 1,916,648 km (0.061 R)
• M6: 2,722,232 km (0.117 R)
• M7: 3,301,027 km (0.1 R)
• M8: 3,960,155 km (0.104 R)
• M9: 4,510,376 km (0.107 R)
• M10: 6,436,897 km (0.066 R)
• M11: 7,086,302 km (0.113 R)
• M12: 7,504,428 km (0.113 R)
• M13: 9,121,132 km (0.08 R)
• M14: 11,937,611 km (0.088 R)
• M15: 12,312,802 km (0.089 R)
• M16: 13,601,139 km (0.09 R)
• M17: 13,951,497 km (0.045 R)
• M18: 19,661,050 km (0.078 R)
• M19: 20,109,395 km (0.068 R)
• M20: 21,971,738 km (0.102 R)
• M21: 22,535,872 km (0.097 R)
• M22: 25,326,620 km (0.111 R)
• M23: 26,215,830 km (0.077 R)
• M24: 27,962,535 km (0.116 R)
• M25: 31,788,650 km (0.119 R)
• M26: 35,507,653 km (0.066 R)
• M27: 36,396,713 km (0.069 R)
• M28: 37,988,135 km (0.078 R)
• M29: 38,801,050 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 8.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 9.06 AU - 14.36 AU

Year: 14216 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,860,442 km

• M1: 109,954 km (0.099 R)
• M2: 416,929 km (0.085 R)
• M3: 824,434 km (0.051 R)
• M4: 1,285,943 km (0.077 R)
• M5: 2,311,287 km (0.06 R)
• M6: 2,903,246 km (0.082 R)
• M7: 3,455,561 km (0.112 R)
• M8: 3,976,162 km (0.096 R)
• M9: 4,466,992 km (0.108 R)
• M10: 4,997,616 km (0.064 R)
• M11: 5,538,562 km (0.118 R)
• M12: 5,952,948 km (0.054 R)
• M13: 6,251,994 km (0.114 R)
• M14: 9,061,442 km (0.088 R)
• M15: 10,523,462 km (0.119 R)
• M16: 11,513,351 km (0.091 R)
• M17: 12,564,127 km (0.093 R)
• M18: 16,615,985 km (0.085 R)
• M19: 19,511,302 km (0.117 R)
• M20: 20,849,156 km (0.119 R)
• M21: 21,618,388 km (0.071 R)
• M22: 23,131,571 km (0.108 R)
• M23: 27,632,671 km (0.101 R)
• M24: 29,797,353 km (0.113 R)
• M25: 30,478,023 km (0.1 R)
• M26: 32,582,416 km (0.069 R)
• M27: 33,932,537 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 5.2

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 11.94 AU - 16.9 AU

Year: 19426 Days

Day: 17.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,860,442 km

• M1: 64,776 km (0.092 R)
• M2: 566,826 km (0.066 R)
• M3: 1,398,890 km (0.054 R)
• M4: 1,659,938 km (0.111 R)
• M5: 2,045,452 km (0.075 R)
• M6: 2,575,776 km (0.091 R)
• M7: 3,017,987 km (0.076 R)
• M8: 4,422,861 km (0.059 R)
• M9: 5,746,952 km (0.059 R)
• M10: 6,016,976 km (0.078 R)
• M11: 9,096,598 km (0.097 R)
• M12: 11,998,796 km (0.094 R)
• M13: 13,421,771 km (0.105 R)
• M14: 14,243,512 km (0.08 R)
• M15: 15,171,019 km (0.105 R)
• M16: 15,538,282 km (0.064 R)
• M17: 16,988,035 km (0.113 R)
• M18: 18,194,392 km (0.101 R)
• M19: 20,330,351 km (0.093 R)
• M20: 25,813,262 km (0.113 R)
• M21: 26,336,556 km (0.078 R)
• M22: 34,676,786 km (0.119 R)
• M23: 36,480,039 km (0.09 R)
• M24: 43,283,152 km (0.074 R)
• M25: 44,768,210 km (0.112 R)
• M26: 45,980,402 km (0.08 R)
• M27: 46,903,869 km (0.106 R)
• M28: 47,682,676 km (0.058 R)
• M29: 50,558,246 km (0.041 R)
• M30: 52,038,367 km (0.066 R)
• M31: 55,604,033 km (0.118 R)
• M32: 57,535,191 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.2

Radius: 3.9

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.29 AU - 16.31 AU

Year: 21231 Days

Day: 25 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,860,442 km

• M1: 53,855 km (0.119 R)
• M2: 474,524 km (0.084 R)
• M3: 955,482 km (0.106 R)
• M4: 1,087,277 km (0.113 R)
• M5: 1,478,476 km (0.075 R)
• M6: 2,072,379 km (0.115 R)
• M7: 2,933,315 km (0.062 R)
• M8: 4,892,299 km (0.056 R)
• M9: 5,360,690 km (0.09 R)
• M10: 6,945,231 km (0.106 R)
• M11: 7,213,909 km (0.101 R)
• M12: 8,308,367 km (0.054 R)
• M13: 9,238,716 km (0.088 R)
• M14: 10,236,384 km (0.056 R)
• M15: 10,820,713 km (0.04 R)
• M16: 11,612,984 km (0.112 R)
• M17: 15,929,181 km (0.103 R)
• M18: 17,686,208 km (0.106 R)
• M19: 21,111,102 km (0.078 R)
• M20: 21,674,487 km (0.11 R)
• M21: 25,266,332 km (0.119 R)
• M22: 38,798,657 km (0.074 R)
• M23: 40,212,656 km (0.059 R)
• M24: 57,917,264 km (0.071 R)
• M25: 61,265,714 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.7

Radius: 6.5

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 16.48 AU - 21.9 AU

Year: 29823 Days

Day: 18 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,860,442 km

• M1: 81,082 km (0.114 R)
• M2: 392,545 km (0.093 R)
• M3: 1,026,092 km (0.101 R)
• M4: 1,732,942 km (0.073 R)
• M5: 3,418,611 km (0.069 R)
• M6: 3,986,035 km (0.03 R)
• M7: 4,762,598 km (0.088 R)
• M8: 6,334,871 km (0.092 R)
• M9: 6,896,013 km (0.099 R)
• M10: 12,066,564 km (0.112 R)
• M11: 15,013,194 km (0.11 R)
• M12: 17,763,700 km (0.109 R)
• M13: 18,314,370 km (0.07 R)
• M14: 19,546,308 km (0.064 R)
• M15: 26,902,185 km (0.083 R)
• M16: 40,769,758 km (0.058 R)
• M17: 49,932,029 km (0.098 R)
• M18: 62,456,961 km (0.052 R)
• M19: 65,667,930 km (0.068 R)
• M20: 65,885,894 km (0.04 R)
• M21: 69,664,288 km (0.102 R)
• M22: 70,802,428 km (0.065 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 19,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit