🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 12

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 12.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,304,195 km

• M1: 149,299 km (0.083 R)
• M2: 540,048 km (0.066 R)
• M3: 962,363 km (0.049 R)
• M4: 1,421,629 km (0.051 R)
• M5: 1,861,297 km (0.085 R)
• M6: 2,482,577 km (0.112 R)
• M7: 3,102,361 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 12.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.66 AU - 0.78 AU

Year: 422 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,304,195 km

• M1: 157,975 km (0.108 R)
• M2: 565,630 km (0.106 R)
• M3: 1,056,011 km (0.11 R)
• M4: 1,501,813 km (0.057 R)
• M5: 2,127,132 km (0.062 R)
• M6: 2,578,768 km (0.038 R)
• M7: 3,124,202 km (0.099 R)
• M8: 3,602,018 km (0.104 R)
• M9: 4,201,157 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.8

Radius: 9.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.73 AU - 1.05 AU

Year: 580 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,304,195 km

• M1: 120,576 km (0.098 R)
• M2: 443,408 km (0.03 R)
• M3: 923,019 km (0.109 R)
• M4: 1,289,982 km (0.11 R)
• M5: 1,647,521 km (0.09 R)
• M6: 2,096,165 km (0.053 R)
• M7: 2,538,975 km (0.089 R)
• M8: 3,032,798 km (0.096 R)
• M9: 3,650,038 km (0.057 R)
• M10: 4,119,776 km (0.067 R)
• M11: 4,759,606 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 8.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.82 AU - 1.2 AU

Year: 701 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,304,195 km

• M1: 110,702 km (0.078 R)
• M2: 407,355 km (0.101 R)
• M3: 754,422 km (0.101 R)
• M4: 1,148,014 km (0.093 R)
• M5: 1,566,439 km (0.119 R)
• M6: 2,897,711 km (0.109 R)
• M7: 3,266,619 km (0.038 R)
• M8: 3,625,355 km (0.102 R)
• M9: 3,980,799 km (0.114 R)
• M10: 4,297,348 km (0.03 R)
• M11: 5,136,742 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.89 AU - 2.91 AU

Year: 2566 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,304,195 km

• M1: 111,899 km (0.084 R)
• M2: 492,626 km (0.12 R)
• M3: 1,034,619 km (0.09 R)
• M4: 1,326,185 km (0.115 R)
• M5: 1,732,044 km (0.075 R)
• M6: 2,081,056 km (0.102 R)
• M7: 2,768,608 km (0.091 R)
• M8: 3,801,581 km (0.062 R)
• M9: 4,686,752 km (0.114 R)
• M10: 6,287,599 km (0.089 R)
• M11: 6,606,840 km (0.105 R)
• M12: 8,576,596 km (0.093 R)
• M13: 9,438,878 km (0.083 R)
• M14: 11,335,180 km (0.118 R)
• M15: 11,735,654 km (0.067 R)
• M16: 12,603,321 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 13.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.96 AU - 4.44 AU

Year: 4913 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,304,195 km

• M1: 172,636 km (0.113 R)
• M2: 1,094,308 km (0.103 R)
• M3: 2,060,860 km (0.116 R)
• M4: 2,835,628 km (0.099 R)
• M5: 4,287,475 km (0.086 R)
• M6: 5,448,803 km (0.101 R)
• M7: 8,109,102 km (0.115 R)
• M8: 9,075,205 km (0.113 R)
• M9: 10,563,255 km (0.103 R)
• M10: 11,150,726 km (0.115 R)
• M11: 11,715,608 km (0.042 R)
• M12: 12,163,055 km (0.116 R)
• M13: 13,477,272 km (0.078 R)
• M14: 16,165,995 km (0.09 R)
• M15: 16,721,452 km (0.111 R)
• M16: 17,404,665 km (0.092 R)
• M17: 19,318,022 km (0.102 R)
• M18: 19,943,790 km (0.119 R)
• M19: 21,235,867 km (0.108 R)
• M20: 22,998,129 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.6

Radius: 5.1

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.17 AU - 6.83 AU

Year: 11439 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,304,195 km

• M1: 63,579 km (0.105 R)
• M2: 238,609 km (0.095 R)
• M3: 576,550 km (0.119 R)
• M4: 1,452,296 km (0.025 R)
• M5: 4,218,510 km (0.061 R)
• M6: 5,746,054 km (0.05 R)
• M7: 9,319,199 km (0.087 R)
• M8: 11,960,649 km (0.119 R)
• M9: 17,339,291 km (0.085 R)
• M10: 25,695,229 km (0.104 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: 532 - 10,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit