🌌 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: 775.9

Radius: 13.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.47 AU - 0.73 AU

Year: 321 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,098,240 km

• M1: 170,392 km (0.078 R)
• M2: 843,882 km (0.077 R)
• M3: 1,689,558 km (0.088 R)
• M4: 2,243,220 km (0.119 R)
• M5: 3,100,865 km (0.101 R)
• M6: 3,641,511 km (0.072 R)
• M7: 4,349,408 km (0.044 R)
• M8: 4,899,929 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.5

Radius: 8.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.17 AU - 1.17 AU

Year: 874 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,098,240 km

• M1: 110,852 km (0.082 R)
• M2: 435,629 km (0.099 R)
• M3: 728,841 km (0.089 R)
• M4: 1,053,917 km (0.08 R)
• M5: 1,442,722 km (0.098 R)
• M6: 1,868,029 km (0.074 R)
• M7: 3,006,319 km (0.114 R)
• M8: 3,486,079 km (0.101 R)
• M9: 3,784,527 km (0.087 R)
• M10: 4,128,303 km (0.119 R)
• M11: 4,737,316 km (0.085 R)
• M12: 5,186,857 km (0.109 R)
• M13: 6,023,558 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 11.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.8 AU - 2.14 AU

Year: 1909 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,098,240 km

• M1: 148,401 km (0.097 R)
• M2: 851,062 km (0.083 R)
• M3: 1,342,940 km (0.097 R)
• M4: 2,085,694 km (0.115 R)
• M5: 2,637,560 km (0.118 R)
• M6: 6,123,340 km (0.062 R)
• M7: 6,723,527 km (0.111 R)
• M8: 8,508,229 km (0.06 R)
• M9: 8,934,733 km (0.11 R)
• M10: 10,173,852 km (0.11 R)
• M11: 11,421,648 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.53 AU - 4.21 AU

Year: 4270 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,098,240 km

• M1: 99,483 km (0.086 R)
• M2: 602,431 km (0.081 R)
• M3: 1,022,950 km (0.087 R)
• M4: 1,272,928 km (0.119 R)
• M5: 1,838,857 km (0.097 R)
• M6: 2,532,243 km (0.078 R)
• M7: 5,128,365 km (0.038 R)
• M8: 5,531,830 km (0.118 R)
• M9: 11,056,928 km (0.109 R)
• M10: 12,477,061 km (0.071 R)
• M11: 18,550,435 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 11

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.24 AU - 5.16 AU

Year: 5941 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,098,240 km

• M1: 136,732 km (0.057 R)
• M2: 679,025 km (0.114 R)
• M3: 1,036,564 km (0.115 R)
• M4: 1,694,046 km (0.034 R)
• M5: 2,527,755 km (0.084 R)
• M6: 2,915,812 km (0.114 R)
• M7: 3,302,971 km (0.053 R)
• M8: 3,680,856 km (0.081 R)
• M9: 4,912,196 km (0.052 R)
• M10: 5,695,789 km (0.029 R)
• M11: 9,350,017 km (0.077 R)
• M12: 9,938,834 km (0.072 R)
• M13: 13,105,521 km (0.099 R)
• M14: 13,736,226 km (0.119 R)
• M15: 14,167,966 km (0.115 R)
• M16: 14,608,681 km (0.046 R)
• M17: 16,767,378 km (0.094 R)
• M18: 18,083,091 km (0.067 R)
• M19: 18,733,244 km (0.087 R)
• M20: 23,041,962 km (0.102 R)
• M21: 27,202,129 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 10.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.85 AU - 6.25 AU

Year: 7833 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,098,240 km

• M1: 718,369 km (0.045 R)
• M2: 2,030,941 km (0.113 R)
• M3: 2,445,626 km (0.069 R)
• M4: 4,871,505 km (0.088 R)
• M5: 5,217,675 km (0.096 R)
• M6: 10,667,675 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.15 AU - 5.25 AU

Year: 8185 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,098,240 km

• M1: 168,148 km (0.089 R)
• M2: 1,059,901 km (0.099 R)
• M3: 2,161,689 km (0.037 R)
• M4: 3,950,281 km (0.07 R)
• M5: 4,616,590 km (0.058 R)
• M6: 6,139,347 km (0.061 R)
• M7: 7,556,637 km (0.083 R)
• M8: 9,276,265 km (0.084 R)
• M9: 10,052,528 km (0.1 R)
• M10: 17,035,009 km (0.111 R)
• M11: 17,830,121 km (0.039 R)
• M12: 19,416,756 km (0.106 R)
• M13: 20,849,904 km (0.089 R)
• M14: 23,570,341 km (0.081 R)
• M15: 24,467,031 km (0.088 R)
• M16: 25,666,357 km (0.081 R)
• M17: 26,615,406 km (0.093 R)
• M18: 27,391,370 km (0.101 R)
• M19: 28,082,662 km (0.059 R)
• M20: 29,294,704 km (0.094 R)
• M21: 30,858,600 km (0.108 R)
• M22: 34,152,147 km (0.088 R)
• M23: 39,396,599 km (0.045 R)
• M24: 41,300,681 km (0.12 R)
• M25: 42,079,188 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 17,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit