🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 12.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,819,138 km

• M1: 156,629 km (0.11 R)
• M2: 684,560 km (0.113 R)
• M3: 1,503,608 km (0.115 R)
• M4: 2,012,241 km (0.101 R)
• M5: 2,524,165 km (0.091 R)
• M6: 2,978,643 km (0.092 R)
• M7: 3,477,403 km (0.095 R)
• M8: 3,870,695 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 12.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.67 AU - 0.77 AU

Year: 407 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,819,138 km

• M1: 155,283 km (0.114 R)
• M2: 569,669 km (0.03 R)
• M3: 1,248,394 km (0.089 R)
• M4: 1,672,205 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.4

Radius: 13.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.85 AU - 0.87 AU

Year: 532 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,819,138 km

• M1: 171,589 km (0.086 R)
• M2: 804,687 km (0.108 R)
• M3: 1,237,174 km (0.074 R)
• M4: 2,558,872 km (0.114 R)
• M5: 3,267,367 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 12.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.93 AU - 1.19 AU

Year: 728 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,819,138 km

• M1: 151,243 km (0.029 R)
• M2: 762,800 km (0.073 R)
• M3: 1,336,208 km (0.063 R)
• M4: 1,808,788 km (0.085 R)
• M5: 2,392,818 km (0.04 R)
• M6: 3,294,594 km (0.06 R)
• M7: 3,721,247 km (0.029 R)
• M8: 4,171,836 km (0.091 R)
• M9: 4,872,702 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.2

Radius: 14.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.32 AU - 1.62 AU

Year: 1189 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,819,138 km

• M1: 185,501 km (0.099 R)
• M2: 642,822 km (0.111 R)
• M3: 1,378,544 km (0.041 R)
• M4: 1,846,786 km (0.037 R)
• M5: 2,496,040 km (0.087 R)
• M6: 3,340,221 km (0.048 R)
• M7: 4,049,614 km (0.084 R)
• M8: 4,552,114 km (0.089 R)
• M9: 6,177,195 km (0.089 R)
• M10: 6,772,595 km (0.033 R)
• M11: 7,405,992 km (0.078 R)
• M12: 7,941,104 km (0.053 R)
• M13: 8,733,524 km (0.116 R)
• M14: 9,270,430 km (0.044 R)
• M15: 9,956,636 km (0.096 R)
• M16: 11,186,929 km (0.118 R)
• M17: 11,642,604 km (0.092 R)
• M18: 12,666,302 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 8.8

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.48 AU - 4.04 AU

Year: 4862 Days

Day: 14 Hours

Environment

Temp: -212 °C

Axial Tilt: 75.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,819,138 km

• M1: 110,104 km (0.086 R)
• M2: 449,242 km (0.119 R)
• M3: 736,321 km (0.05 R)
• M4: 1,062,444 km (0.097 R)
• M5: 1,398,890 km (0.059 R)
• M6: 2,130,722 km (0.099 R)
• M7: 2,574,430 km (0.105 R)
• M8: 2,862,555 km (0.107 R)
• M9: 3,248,219 km (0.095 R)
• M10: 4,261,744 km (0.025 R)
• M11: 4,667,154 km (0.085 R)
• M12: 5,472,739 km (0.038 R)
• M13: 6,307,645 km (0.062 R)
• M14: 6,583,204 km (0.108 R)
• M15: 7,357,971 km (0.11 R)
• M16: 7,698,306 km (0.119 R)
• M17: 10,214,393 km (0.116 R)
• M18: 14,837,117 km (0.077 R)
• M19: 15,436,406 km (0.073 R)
• M20: 18,739,976 km (0.066 R)
• M21: 20,289,959 km (0.103 R)
• M22: 22,133,753 km (0.094 R)
• M23: 26,309,179 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 9.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.28 AU - 4.8 AU

Year: 5415 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,819,138 km

• M1: 116,238 km (0.115 R)
• M2: 645,216 km (0.096 R)
• M3: 1,051,523 km (0.115 R)
• M4: 1,417,141 km (0.033 R)
• M5: 2,380,701 km (0.086 R)
• M6: 2,795,685 km (0.049 R)
• M7: 3,628,347 km (0.089 R)
• M8: 4,617,637 km (0.052 R)
• M9: 4,984,601 km (0.104 R)
• M10: 5,504,154 km (0.116 R)
• M11: 7,712,219 km (0.113 R)
• M12: 11,349,093 km (0.111 R)
• M13: 14,861,800 km (0.051 R)
• M14: 16,778,448 km (0.091 R)
• M15: 17,825,633 km (0.098 R)
• M16: 18,365,383 km (0.041 R)
• M17: 19,414,512 km (0.055 R)
• M18: 20,568,361 km (0.086 R)
• M19: 23,509,006 km (0.051 R)
• M20: 24,450,426 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 13,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit