🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.7

Radius: 13.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.59 AU - 0.81 AU

Year: 378 Days

Day: 6.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,544,780 km

• M1: 172,935 km (0.098 R)
• M2: 790,924 km (0.119 R)
• M3: 1,281,007 km (0.112 R)
• M4: 1,812,378 km (0.06 R)
• M5: 2,435,902 km (0.091 R)
• M6: 2,911,773 km (0.055 R)
• M7: 3,450,026 km (0.067 R)
• M8: 4,758,409 km (0.113 R)
• M9: 5,194,188 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 12.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.92 AU

Year: 497 Days

Day: 5 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,544,780 km

• M1: 156,629 km (0.065 R)
• M2: 619,335 km (0.118 R)
• M3: 1,132,007 km (0.076 R)
• M4: 1,961,826 km (0.086 R)
• M5: 2,372,772 km (0.088 R)
• M6: 2,931,520 km (0.109 R)
• M7: 3,347,552 km (0.094 R)
• M8: 3,885,655 km (0.111 R)
• M9: 5,620,542 km (0.114 R)
• M10: 6,540,868 km (0.09 R)
• M11: 6,965,127 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 12.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.42 AU - 1.5 AU

Year: 1139 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,544,780 km

• M1: 153,039 km (0.117 R)
• M2: 548,575 km (0.107 R)
• M3: 1,082,490 km (0.03 R)
• M4: 2,037,972 km (0.105 R)
• M5: 3,433,421 km (0.086 R)
• M6: 4,166,450 km (0.101 R)
• M7: 5,153,796 km (0.104 R)
• M8: 5,775,675 km (0.083 R)
• M9: 7,218,546 km (0.117 R)
• M10: 7,766,224 km (0.066 R)
• M11: 8,155,478 km (0.035 R)
• M12: 8,722,453 km (0.073 R)
• M13: 10,425,775 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.48 AU - 1.72 AU

Year: 1307 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,544,780 km

• M1: 262,694 km (0.047 R)
• M2: 568,622 km (0.036 R)
• M3: 956,678 km (0.108 R)
• M4: 1,349,223 km (0.1 R)
• M5: 2,225,268 km (0.056 R)
• M6: 2,861,508 km (0.038 R)
• M7: 4,072,952 km (0.088 R)
• M8: 5,484,707 km (0.075 R)
• M9: 5,955,790 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 14.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.55 AU - 3.63 AU

Year: 3507 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,544,780 km

• M1: 184,155 km (0.091 R)
• M2: 815,009 km (0.105 R)
• M3: 1,730,548 km (0.114 R)
• M4: 2,679,747 km (0.108 R)
• M5: 3,525,872 km (0.09 R)
• M6: 4,761,251 km (0.037 R)
• M7: 6,162,684 km (0.062 R)
• M8: 6,649,476 km (0.09 R)
• M9: 7,428,133 km (0.098 R)
• M10: 8,138,723 km (0.091 R)
• M11: 8,996,367 km (0.117 R)
• M12: 9,732,389 km (0.11 R)
• M13: 11,205,928 km (0.105 R)
• M14: 12,226,036 km (0.025 R)
• M15: 15,511,055 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.4

Radius: 8.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.19 AU - 5.51 AU

Year: 6896 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,544,780 km

• M1: 128,205 km (0.05 R)
• M2: 411,245 km (0.096 R)
• M3: 698,323 km (0.056 R)
• M4: 1,042,398 km (0.114 R)
• M5: 1,441,076 km (0.105 R)
• M6: 2,085,095 km (0.091 R)
• M7: 2,515,339 km (0.115 R)
• M8: 2,946,629 km (0.117 R)
• M9: 3,575,988 km (0.097 R)
• M10: 3,934,424 km (0.05 R)
• M11: 4,645,612 km (0.119 R)
• M12: 5,915,249 km (0.087 R)
• M13: 14,535,528 km (0.061 R)
• M14: 16,588,010 km (0.096 R)
• M15: 17,334,204 km (0.108 R)
• M16: 22,588,530 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.4

Radius: 4.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.69 AU - 9.11 AU

Year: 15719 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,544,780 km

• M1: 58,493 km (0.102 R)
• M2: 224,546 km (0.027 R)
• M3: 386,561 km (0.12 R)
• M4: 712,235 km (0.081 R)
• M5: 1,178,083 km (0.076 R)
• M6: 3,949,683 km (0.099 R)
• M7: 4,606,866 km (0.085 R)
• M8: 5,569,080 km (0.056 R)
• M9: 7,238,592 km (0.061 R)
• M10: 8,156,076 km (0.11 R)
• M11: 9,383,227 km (0.106 R)
• M12: 11,255,145 km (0.087 R)
• M13: 13,362,231 km (0.079 R)
• M14: 13,708,102 km (0.058 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: 327 - 13,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit