🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.6 AU - 0.86 AU

Year: 229 Days

Day: 42.3 Hours

Environment

Temp: 118 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.02 AU - 1.14 AU

Year: 412 Days

Day: 20.4 Hours

Environment

Temp: 30 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,407,085 km

• M1: 84,373 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.4 AU - 4.24 AU

Year: 2741 Days

Day: 22.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.7

Radius: 9.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.53 AU - 8.39 AU

Year: 6740 Days

Day: 12.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,407,085 km

• M1: 134,040 km (0.057 R)
• M2: 542,891 km (0.106 R)
• M3: 850,613 km (0.102 R)
• M4: 2,079,261 km (0.117 R)
• M5: 2,433,060 km (0.119 R)
• M6: 2,766,214 km (0.034 R)
• M7: 3,080,819 km (0.065 R)
• M8: 4,587,568 km (0.103 R)
• M9: 5,007,938 km (0.085 R)
• M10: 5,478,274 km (0.076 R)
• M11: 7,330,744 km (0.11 R)
• M12: 8,063,176 km (0.082 R)
• M13: 13,166,258 km (0.071 R)
• M14: 14,574,124 km (0.116 R)
• M15: 15,338,868 km (0.107 R)
• M16: 18,117,948 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 8.1

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.02 AU - 10.9 AU

Year: 10681 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,407,085 km

• M1: 100,829 km (0.046 R)
• M2: 463,454 km (0.074 R)
• M3: 774,169 km (0.099 R)
• M4: 1,166,265 km (0.12 R)
• M5: 2,027,051 km (0.101 R)
• M6: 2,654,165 km (0.097 R)
• M7: 3,070,496 km (0.112 R)
• M8: 3,454,215 km (0.069 R)
• M9: 3,842,870 km (0.032 R)
• M10: 5,946,067 km (0.045 R)
• M11: 6,352,823 km (0.096 R)
• M12: 6,738,636 km (0.04 R)
• M13: 8,907,356 km (0.115 R)
• M14: 10,097,707 km (0.087 R)
• M15: 12,851,504 km (0.107 R)
• M16: 17,301,143 km (0.102 R)
• M17: 17,901,928 km (0.069 R)
• M18: 20,863,218 km (0.12 R)
• M19: 21,201,609 km (0.087 R)
• M20: 22,503,858 km (0.056 R)
• M21: 24,321,921 km (0.085 R)
• M22: 25,554,907 km (0.078 R)
• M23: 31,124,435 km (0.111 R)
• M24: 32,918,114 km (0.099 R)
• M25: 35,136,501 km (0.119 R)
• M26: 35,615,812 km (0.11 R)
• M27: 36,710,420 km (0.094 R)
• M28: 37,328,109 km (0.096 R)
• M29: 38,966,505 km (0.088 R)
• M30: 39,480,224 km (0.069 R)
• M31: 40,783,970 km (0.093 R)
• M32: 48,917,457 km (0.104 R)
• M33: 50,725,347 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.3

Radius: 7.3

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.38 AU - 15.78 AU

Year: 19394 Days

Day: 16.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,407,085 km

• M1: 91,255 km (0.112 R)
• M2: 323,281 km (0.074 R)
• M3: 924,216 km (0.061 R)
• M4: 1,234,182 km (0.096 R)
• M5: 1,697,038 km (0.09 R)
• M6: 2,027,201 km (0.109 R)
• M7: 2,466,121 km (0.064 R)
• M8: 2,768,458 km (0.053 R)
• M9: 4,634,841 km (0.119 R)
• M10: 5,024,095 km (0.098 R)
• M11: 5,435,040 km (0.12 R)
• M12: 6,538,923 km (0.103 R)
• M13: 8,912,144 km (0.046 R)
• M14: 10,320,308 km (0.098 R)
• M15: 13,010,228 km (0.116 R)
• M16: 20,372,088 km (0.072 R)
• M17: 25,189,289 km (0.046 R)
• M18: 30,591,867 km (0.097 R)
• M19: 31,208,509 km (0.069 R)
• M20: 35,083,244 km (0.088 R)
• M21: 39,995,140 km (0.072 R)
• M22: 43,461,024 km (0.106 R)
• M23: 44,870,086 km (0.106 R)
• M24: 48,109,778 km (0.063 R)
• M25: 49,111,335 km (0.061 R)
• M26: 53,612,287 km (0.111 R)
• M27: 54,869,507 km (0.119 R)
• M28: 59,902,877 km (0.094 R)
• M29: 60,480,474 km (0.038 R)
• M30: 61,646,739 km (0.069 R)
• M31: 68,330,473 km (0.109 R)
• M32: 68,750,544 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318

Radius: 6.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 17.31 AU - 19.13 AU

Year: 28549 Days

Day: 16.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,407,085 km

• M1: 79,586 km (0.09 R)
• M2: 439,668 km (0.106 R)
• M3: 694,583 km (0.066 R)
• M4: 1,406,220 km (0.088 R)
• M5: 2,859,713 km (0.073 R)
• M6: 3,707,783 km (0.089 R)
• M7: 5,072,864 km (0.119 R)
• M8: 5,929,461 km (0.119 R)
• M9: 6,221,177 km (0.063 R)
• M10: 7,485,129 km (0.107 R)
• M11: 10,938,148 km (0.087 R)
• M12: 13,182,714 km (0.115 R)
• M13: 13,465,604 km (0.094 R)
• M14: 16,115,431 km (0.097 R)
• M15: 19,183,982 km (0.05 R)
• M16: 21,142,817 km (0.025 R)
• M17: 21,628,112 km (0.113 R)
• M18: 24,911,636 km (0.073 R)
• M19: 25,127,206 km (0.104 R)
• M20: 25,562,237 km (0.099 R)
• M21: 25,781,547 km (0.05 R)
• M22: 35,351,174 km (0.089 R)
• M23: 38,281,347 km (0.112 R)
• M24: 39,438,786 km (0.106 R)
• M25: 41,823,675 km (0.073 R)
• M26: 52,325,446 km (0.092 R)
• M27: 63,245,941 km (0.102 R)
• M28: 65,066,098 km (0.1 R)
• M29: 66,920,663 km (0.085 R)
• M30: 68,810,383 km (0.059 R)
• M31: 74,468,623 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.3

Radius: 7.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 17.65 AU - 19.87 AU

Year: 29828 Days

Day: 23.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,407,085 km

• M1: 97,089 km (0.107 R)
• M2: 388,206 km (0.1 R)
• M3: 639,980 km (0.097 R)
• M4: 1,134,999 km (0.094 R)
• M5: 2,098,110 km (0.116 R)
• M6: 3,330,049 km (0.072 R)
• M7: 5,815,468 km (0.08 R)
• M8: 6,392,915 km (0.079 R)
• M9: 7,370,986 km (0.041 R)
• M10: 10,848,239 km (0.086 R)
• M11: 11,891,385 km (0.113 R)
• M12: 16,455,167 km (0.092 R)
• M13: 19,992,559 km (0.086 R)
• M14: 21,725,351 km (0.066 R)
• M15: 25,486,690 km (0.1 R)
• M16: 25,770,926 km (0.1 R)
• M17: 36,984,334 km (0.067 R)
• M18: 38,208,343 km (0.096 R)
• M19: 39,839,559 km (0.046 R)
• M20: 47,542,652 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 18,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit