🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.44 AU - 0.68 AU

Year: 271 Days

Day: 13.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.55 AU - 0.63 AU

Year: 293 Days

Day: 41.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 10.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.59 AU - 1.99 AU

Year: 1546 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,437,899 km

• M1: 134,788 km (0.104 R)
• M2: 820,844 km (0.106 R)
• M3: 1,162,974 km (0.115 R)
• M4: 1,995,336 km (0.079 R)
• M5: 2,605,397 km (0.105 R)
• M6: 4,407,153 km (0.079 R)
• M7: 5,830,128 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 12.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.79 AU - 2.27 AU

Year: 1867 Days

Day: 10.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,437,899 km

• M1: 157,975 km (0.109 R)
• M2: 639,980 km (0.117 R)
• M3: 1,547,440 km (0.068 R)
• M4: 2,100,354 km (0.105 R)
• M5: 2,568,895 km (0.114 R)
• M6: 5,372,209 km (0.104 R)
• M7: 8,658,575 km (0.089 R)
• M8: 10,478,882 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 15

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.35 AU - 2.67 AU

Year: 2568 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,437,899 km

• M1: 186,549 km (0.102 R)
• M2: 658,979 km (0.084 R)
• M3: 1,234,631 km (0.107 R)
• M4: 1,755,531 km (0.12 R)
• M5: 2,335,971 km (0.101 R)
• M6: 2,953,960 km (0.073 R)
• M7: 3,966,438 km (0.051 R)
• M8: 4,686,752 km (0.078 R)
• M9: 5,356,501 km (0.086 R)
• M10: 6,996,842 km (0.079 R)
• M11: 7,698,905 km (0.079 R)
• M12: 8,294,005 km (0.093 R)
• M13: 9,917,591 km (0.075 R)
• M14: 10,951,761 km (0.078 R)
• M15: 12,175,172 km (0.066 R)
• M16: 12,656,728 km (0.058 R)
• M17: 13,276,661 km (0.049 R)
• M18: 15,537,684 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.3

Radius: 9.2

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.41 AU - 3.33 AU

Year: 3139 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,437,899 km

• M1: 114,442 km (0.038 R)
• M2: 412,591 km (0.104 R)
• M3: 830,268 km (0.099 R)
• M4: 1,379,143 km (0.102 R)
• M5: 2,561,415 km (0.066 R)
• M6: 5,289,631 km (0.111 R)
• M7: 6,202,477 km (0.113 R)
• M8: 6,938,200 km (0.103 R)
• M9: 7,698,157 km (0.054 R)
• M10: 8,234,764 km (0.107 R)
• M11: 9,233,929 km (0.051 R)
• M12: 11,047,653 km (0.116 R)
• M13: 14,345,089 km (0.079 R)
• M14: 16,544,178 km (0.102 R)
• M15: 18,839,009 km (0.112 R)
• M16: 19,751,706 km (0.075 R)
• M17: 21,599,539 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.7

Radius: 10.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.7 AU - 3.56 AU

Year: 3575 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,437,899 km

• M1: 129,851 km (0.109 R)
• M2: 520,900 km (0.097 R)
• M3: 1,606,382 km (0.104 R)
• M4: 3,397,068 km (0.036 R)
• M5: 4,378,430 km (0.116 R)
• M6: 6,248,254 km (0.083 R)
• M7: 7,794,348 km (0.076 R)
• M8: 9,643,079 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 3.4

Gravity: 45.51 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.73 AU - 6.85 AU

Year: 10186 Days

Day: 22.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 44,437,899 km

• M1: 50,115 km (0.113 R)
• M2: 156,479 km (0.077 R)
• M3: 541,245 km (0.056 R)
• M4: 687,253 km (0.096 R)
• M5: 945,608 km (0.104 R)
• M6: 1,253,032 km (0.037 R)
• M7: 1,510,789 km (0.056 R)
• M8: 1,741,469 km (0.085 R)
• M9: 2,696,053 km (0.119 R)
• M10: 2,926,434 km (0.113 R)
• M11: 3,331,395 km (0.12 R)
• M12: 4,363,620 km (0.1 R)
• M13: 4,681,067 km (0.075 R)
• M14: 5,329,574 km (0.096 R)
• M15: 5,759,817 km (0.078 R)
• M16: 5,931,406 km (0.057 R)
• M17: 10,369,077 km (0.097 R)
• M18: 10,777,330 km (0.113 R)
• M19: 11,409,680 km (0.083 R)
• M20: 12,066,415 km (0.049 R)
• M21: 12,234,413 km (0.116 R)
• M22: 13,275,614 km (0.063 R)
• M23: 13,574,960 km (0.117 R)
• M24: 14,753,791 km (0.107 R)
• M25: 16,681,958 km (0.108 R)
• M26: 18,547,892 km (0.062 R)
• M27: 19,530,900 km (0.101 R)
• M28: 19,918,059 km (0.106 R)
• M29: 22,349,323 km (0.116 R)
• M30: 24,880,519 km (0.075 R)
• M31: 27,114,764 km (0.063 R)
• M32: 28,280,430 km (0.093 R)
• M33: 31,234,390 km (0.032 R)
• M34: 32,840,173 km (0.102 R)
• M35: 33,058,287 km (0.047 R)
• M36: 33,277,448 km (0.107 R)
• M37: 34,612,609 km (0.075 R)
• M38: 35,752,246 km (0.078 R)
• M39: 37,746,535 km (0.113 R)
• M40: 39,566,692 km (0.088 R)
• M41: 41,190,727 km (0.038 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit