🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 12.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,617,166 km

• M1: 155,432 km (0.074 R)
• M2: 607,367 km (0.114 R)
• M3: 1,028,037 km (0.067 R)
• M4: 1,479,074 km (0.047 R)
• M5: 1,873,863 km (0.108 R)
• M6: 2,274,785 km (0.107 R)
• M7: 2,922,694 km (0.087 R)
• M8: 3,724,987 km (0.106 R)
• M9: 4,141,467 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 13

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.84 AU - 0.88 AU

Year: 541 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,617,166 km

• M1: 161,715 km (0.066 R)
• M2: 700,118 km (0.086 R)
• M3: 1,110,465 km (0.071 R)
• M4: 1,532,331 km (0.085 R)
• M5: 2,047,247 km (0.054 R)
• M6: 2,777,434 km (0.097 R)
• M7: 4,357,038 km (0.05 R)
• M8: 5,503,855 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 9.5

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.88 AU - 1.1 AU

Year: 668 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 90.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,617,166 km

• M1: 118,182 km (0.065 R)
• M2: 489,634 km (0.107 R)
• M3: 967,001 km (0.118 R)
• M4: 1,308,533 km (0.086 R)
• M5: 1,672,654 km (0.105 R)
• M6: 2,183,231 km (0.119 R)
• M7: 2,564,257 km (0.047 R)
• M8: 4,277,602 km (0.04 R)
• M9: 4,621,377 km (0.032 R)
• M10: 5,253,728 km (0.096 R)
• M11: 5,804,248 km (0.093 R)
• M12: 6,887,336 km (0.032 R)
• M13: 7,315,037 km (0.052 R)
• M14: 8,782,891 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 10.1

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.95 AU - 1.55 AU

Year: 948 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,617,166 km

• M1: 125,812 km (0.101 R)
• M2: 443,857 km (0.045 R)
• M3: 799,900 km (0.046 R)
• M4: 1,448,556 km (0.081 R)
• M5: 2,259,526 km (0.042 R)
• M6: 2,837,572 km (0.082 R)
• M7: 3,587,806 km (0.083 R)
• M8: 4,220,156 km (0.099 R)
• M9: 5,397,192 km (0.093 R)
• M10: 6,050,935 km (0.086 R)
• M11: 6,899,603 km (0.067 R)
• M12: 7,315,186 km (0.114 R)
• M13: 7,747,524 km (0.083 R)
• M14: 8,496,561 km (0.076 R)
• M15: 9,293,319 km (0.116 R)
• M16: 11,167,631 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 8.7

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.6 AU - 2.06 AU

Year: 1679 Days

Day: 8.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,617,166 km

• M1: 108,159 km (0.07 R)
• M2: 566,976 km (0.044 R)
• M3: 867,668 km (0.043 R)
• M4: 1,187,657 km (0.051 R)
• M5: 1,707,510 km (0.083 R)
• M6: 2,307,846 km (0.107 R)
• M7: 2,771,899 km (0.042 R)
• M8: 3,104,455 km (0.09 R)
• M9: 3,532,006 km (0.104 R)
• M10: 5,742,165 km (0.095 R)
• M11: 6,184,077 km (0.059 R)
• M12: 6,808,648 km (0.081 R)
• M13: 7,164,092 km (0.089 R)
• M14: 7,560,676 km (0.047 R)
• M15: 8,429,092 km (0.11 R)
• M16: 8,711,533 km (0.11 R)
• M17: 9,496,174 km (0.095 R)
• M18: 11,056,031 km (0.115 R)
• M19: 11,433,017 km (0.063 R)
• M20: 13,153,094 km (0.065 R)
• M21: 14,406,275 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 10.4

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.19 AU - 2.19 AU

Year: 2198 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,617,166 km

• M1: 135,236 km (0.119 R)
• M2: 505,790 km (0.034 R)
• M3: 838,496 km (0.036 R)
• M4: 1,185,414 km (0.119 R)
• M5: 2,529,850 km (0.082 R)
• M6: 3,191,222 km (0.083 R)
• M7: 6,332,029 km (0.08 R)
• M8: 7,580,722 km (0.025 R)
• M9: 10,871,128 km (0.101 R)
• M10: 11,431,372 km (0.119 R)
• M11: 12,095,287 km (0.11 R)
• M12: 15,256,290 km (0.069 R)
• M13: 16,215,063 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 10.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.46 AU - 2.6 AU

Year: 2729 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,617,166 km

• M1: 128,355 km (0.099 R)
• M2: 1,108,071 km (0.052 R)
• M3: 1,429,557 km (0.111 R)
• M4: 2,422,438 km (0.103 R)
• M5: 3,025,617 km (0.077 R)
• M6: 3,463,191 km (0.108 R)
• M7: 4,665,359 km (0.065 R)
• M8: 5,202,715 km (0.114 R)
• M9: 5,524,350 km (0.074 R)
• M10: 8,033,406 km (0.067 R)
• M11: 10,384,187 km (0.056 R)
• M12: 10,936,352 km (0.114 R)
• M13: 12,666,601 km (0.031 R)
• M14: 13,160,274 km (0.089 R)
• M15: 13,573,763 km (0.03 R)
• M16: 20,008,566 km (0.102 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: 315 - 16,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit