🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 9.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.75 AU - 0.79 AU

Year: 436 Days

Day: 6.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,933,278 km

• M1: 121,922 km (0.068 R)
• M2: 450,589 km (0.107 R)
• M3: 774,917 km (0.038 R)
• M4: 1,144,723 km (0.053 R)
• M5: 2,037,523 km (0.057 R)
• M6: 2,534,786 km (0.098 R)
• M7: 2,893,821 km (0.116 R)
• M8: 3,458,254 km (0.105 R)
• M9: 3,889,993 km (0.077 R)
• M10: 4,383,068 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 12.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.25 AU - 1.35 AU

Year: 957 Days

Day: 12.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,933,278 km

• M1: 156,629 km (0.108 R)
• M2: 661,073 km (0.102 R)
• M3: 1,279,211 km (0.09 R)
• M4: 2,277,029 km (0.062 R)
• M5: 2,875,421 km (0.05 R)
• M6: 3,605,907 km (0.096 R)
• M7: 4,525,036 km (0.106 R)
• M8: 5,321,795 km (0.026 R)
• M9: 5,713,891 km (0.088 R)
• M10: 6,381,845 km (0.093 R)
• M11: 6,916,358 km (0.061 R)
• M12: 8,177,768 km (0.085 R)
• M13: 8,675,181 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 13.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.6 AU - 1.78 AU

Year: 1419 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,933,278 km

• M1: 162,912 km (0.047 R)
• M2: 635,791 km (0.092 R)
• M3: 1,203,664 km (0.098 R)
• M4: 1,650,065 km (0.087 R)
• M5: 2,115,763 km (0.088 R)
• M6: 2,528,354 km (0.098 R)
• M7: 3,074,236 km (0.103 R)
• M8: 3,758,946 km (0.067 R)
• M9: 4,631,251 km (0.113 R)
• M10: 5,613,959 km (0.098 R)
• M11: 6,372,570 km (0.095 R)
• M12: 7,687,386 km (0.091 R)
• M13: 8,277,101 km (0.102 R)
• M14: 9,007,886 km (0.073 R)
• M15: 9,489,591 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 12.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.12 AU - 3.06 AU

Year: 2691 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,933,278 km

• M1: 160,519 km (0.099 R)
• M2: 1,016,518 km (0.094 R)
• M3: 1,444,068 km (0.085 R)
• M4: 2,476,742 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 11.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.11 AU - 4.41 AU

Year: 4708 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,933,278 km

• M1: 141,520 km (0.085 R)
• M2: 613,351 km (0.11 R)
• M3: 1,024,446 km (0.09 R)
• M4: 1,589,178 km (0.089 R)
• M5: 1,951,205 km (0.118 R)
• M6: 2,536,881 km (0.109 R)
• M7: 3,037,136 km (0.115 R)
• M8: 3,642,858 km (0.077 R)
• M9: 4,170,639 km (0.068 R)
• M10: 4,773,219 km (0.094 R)
• M11: 5,459,724 km (0.118 R)
• M12: 6,210,705 km (0.089 R)
• M13: 7,350,342 km (0.117 R)
• M14: 8,733,524 km (0.094 R)
• M15: 10,283,358 km (0.111 R)
• M16: 12,376,082 km (0.095 R)
• M17: 14,172,453 km (0.104 R)
• M18: 15,266,164 km (0.104 R)
• M19: 17,739,016 km (0.075 R)
• M20: 18,336,211 km (0.07 R)
• M21: 20,208,578 km (0.094 R)
• M22: 20,992,172 km (0.098 R)
• M23: 24,476,456 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.7

Radius: 5.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.85 AU - 7.97 AU

Year: 10479 Days

Day: 22.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,933,278 km

• M1: 213,027 km (0.109 R)
• M2: 1,036,564 km (0.087 R)
• M3: 1,955,095 km (0.039 R)
• M4: 2,257,881 km (0.091 R)
• M5: 2,664,787 km (0.087 R)
• M6: 3,885,954 km (0.037 R)
• M7: 4,771,274 km (0.116 R)
• M8: 5,320,149 km (0.096 R)
• M9: 8,160,564 km (0.09 R)
• M10: 8,710,336 km (0.081 R)
• M11: 15,437,603 km (0.111 R)
• M12: 17,724,954 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.5

Radius: 6.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.97 AU - 9.57 AU

Year: 15356 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,933,278 km

• M1: 114,891 km (0.052 R)
• M2: 327,320 km (0.086 R)
• M3: 661,821 km (0.108 R)
• M4: 1,213,239 km (0.094 R)
• M5: 3,434,019 km (0.085 R)
• M6: 3,771,213 km (0.083 R)
• M7: 5,283,198 km (0.077 R)
• M8: 7,008,211 km (0.086 R)
• M9: 7,792,852 km (0.078 R)
• M10: 8,722,154 km (0.101 R)
• M11: 14,011,486 km (0.101 R)
• M12: 19,715,055 km (0.075 R)
• M13: 20,795,450 km (0.11 R)
• M14: 21,270,274 km (0.039 R)
• M15: 28,023,571 km (0.088 R)
• M16: 30,186,906 km (0.108 R)
• M17: 32,565,212 km (0.036 R)
• M18: 33,963,205 km (0.084 R)
• M19: 34,181,917 km (0.079 R)
• M20: 36,419,602 km (0.059 R)
• M21: 37,109,547 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 15,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit