🌌 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: 997

Radius: 12.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.48 AU - 0.54 AU

Year: 247 Days

Day: 11.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 157.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,078,393 km

• M1: 155,432 km (0.081 R)
• M2: 563,834 km (0.113 R)
• M3: 1,055,862 km (0.073 R)
• M4: 1,592,769 km (0.084 R)
• M5: 2,132,966 km (0.09 R)
• M6: 2,547,801 km (0.1 R)
• M7: 3,210,071 km (0.11 R)
• M8: 3,633,583 km (0.038 R)
• M9: 4,045,276 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 11.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.61 AU - 2.43 AU

Year: 1947 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,078,393 km

• M1: 444,605 km (0.09 R)
• M2: 1,355,656 km (0.069 R)
• M3: 2,860,610 km (0.087 R)
• M4: 3,553,398 km (0.056 R)
• M5: 4,668,202 km (0.068 R)
• M6: 6,354,020 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 11.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.64 AU - 2.7 AU

Year: 2168 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,078,393 km

• M1: 139,276 km (0.095 R)
• M2: 587,022 km (0.099 R)
• M3: 1,814,921 km (0.041 R)
• M4: 2,933,913 km (0.066 R)
• M5: 3,979,752 km (0.053 R)
• M6: 4,658,328 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 14.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.89 AU - 3.09 AU

Year: 2665 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,078,393 km

• M1: 182,958 km (0.091 R)
• M2: 796,609 km (0.089 R)
• M3: 1,592,619 km (0.037 R)
• M4: 2,596,121 km (0.111 R)
• M5: 4,170,489 km (0.118 R)
• M6: 5,426,364 km (0.08 R)
• M7: 6,166,873 km (0.028 R)
• M8: 6,921,445 km (0.076 R)
• M9: 7,375,923 km (0.102 R)
• M10: 7,936,317 km (0.053 R)
• M11: 11,433,316 km (0.076 R)
• M12: 12,495,910 km (0.113 R)
• M13: 13,172,541 km (0.113 R)
• M14: 14,211,798 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 12

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.11 AU - 3.87 AU

Year: 4422 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,078,393 km

• M1: 149,299 km (0.112 R)
• M2: 627,713 km (0.081 R)
• M3: 1,608,327 km (0.098 R)
• M4: 2,708,918 km (0.102 R)
• M5: 3,230,566 km (0.12 R)
• M6: 4,477,165 km (0.06 R)
• M7: 4,939,722 km (0.098 R)
• M8: 5,961,026 km (0.073 R)
• M9: 6,522,018 km (0.119 R)
• M10: 9,006,241 km (0.114 R)
• M11: 10,131,217 km (0.039 R)
• M12: 10,795,431 km (0.09 R)
• M13: 15,065,553 km (0.078 R)
• M14: 19,459,691 km (0.09 R)
• M15: 25,358,036 km (0.111 R)
• M16: 27,761,176 km (0.097 R)
• M17: 29,951,588 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 12.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.08 AU - 5.58 AU

Year: 7200 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,078,393 km

• M1: 253,120 km (0.079 R)
• M2: 735,722 km (0.105 R)
• M3: 1,273,227 km (0.085 R)
• M4: 1,653,356 km (0.076 R)
• M5: 2,276,730 km (0.085 R)
• M6: 2,865,996 km (0.038 R)
• M7: 4,019,844 km (0.037 R)
• M8: 4,525,036 km (0.081 R)
• M9: 7,361,711 km (0.105 R)
• M10: 7,789,262 km (0.091 R)
• M11: 8,385,260 km (0.053 R)
• M12: 11,498,840 km (0.082 R)
• M13: 16,248,872 km (0.118 R)
• M14: 18,365,083 km (0.078 R)
• M15: 23,903,346 km (0.108 R)
• M16: 27,050,287 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.4

Radius: 4.7

Gravity: 40.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.17 AU - 8.97 AU

Year: 15549 Days

Day: 23.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,078,393 km

• M1: 58,792 km (0.108 R)
• M2: 390,450 km (0.094 R)
• M3: 1,346,830 km (0.097 R)
• M4: 1,679,386 km (0.034 R)
• M5: 2,226,166 km (0.085 R)
• M6: 2,883,948 km (0.081 R)
• M7: 3,407,690 km (0.108 R)
• M8: 4,211,928 km (0.027 R)
• M9: 4,573,357 km (0.113 R)
• M10: 5,982,419 km (0.045 R)
• M11: 6,829,592 km (0.066 R)
• M12: 8,195,719 km (0.086 R)
• M13: 8,551,014 km (0.073 R)
• M14: 9,734,333 km (0.091 R)
• M15: 9,903,828 km (0.039 R)
• M16: 10,365,188 km (0.055 R)
• M17: 11,581,418 km (0.045 R)
• M18: 12,421,111 km (0.086 R)
• M19: 13,509,286 km (0.11 R)
• M20: 16,505,133 km (0.102 R)
• M21: 18,242,264 km (0.104 R)
• M22: 21,497,364 km (0.107 R)
• M23: 22,465,711 km (0.081 R)
• M24: 26,084,483 km (0.105 R)
• M25: 31,776,383 km (0.075 R)
• M26: 41,856,736 km (0.066 R)
• M27: 42,605,773 km (0.083 R)
• M28: 48,757,836 km (0.071 R)
• M29: 51,786,594 km (0.111 R)
• M30: 62,201,448 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 20,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit