🌌 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: 807.8

Radius: 11.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 8.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,787,126 km

• M1: 141,819 km (0.109 R)
• M2: 695,032 km (0.071 R)
• M3: 1,131,857 km (0.106 R)
• M4: 1,711,699 km (0.025 R)
• M5: 2,744,672 km (0.1 R)
• M6: 3,248,817 km (0.12 R)
• M7: 4,000,097 km (0.061 R)
• M8: 4,553,610 km (0.073 R)
• M9: 5,097,996 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 12.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.67 AU - 0.67 AU

Year: 379 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,787,126 km

• M1: 154,834 km (0.106 R)
• M2: 609,911 km (0.093 R)
• M3: 1,045,240 km (0.052 R)
• M4: 1,481,318 km (0.119 R)
• M5: 2,252,046 km (0.117 R)
• M6: 2,980,738 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 14.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.44 AU - 1.98 AU

Year: 1543 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,787,126 km

• M1: 180,415 km (0.115 R)
• M2: 832,662 km (0.098 R)
• M3: 1,628,522 km (0.096 R)
• M4: 2,201,781 km (0.116 R)
• M5: 2,747,664 km (0.078 R)
• M6: 3,384,053 km (0.12 R)
• M7: 5,484,108 km (0.092 R)
• M8: 5,959,082 km (0.062 R)
• M9: 6,538,474 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.7

Radius: 8.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.99 AU - 2.67 AU

Year: 2455 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,787,126 km

• M1: 104,569 km (0.051 R)
• M2: 477,217 km (0.102 R)
• M3: 838,197 km (0.099 R)
• M4: 1,297,313 km (0.114 R)
• M5: 2,522,669 km (0.118 R)
• M6: 2,815,282 km (0.078 R)
• M7: 3,714,216 km (0.112 R)
• M8: 5,265,247 km (0.115 R)
• M9: 6,090,429 km (0.09 R)
• M10: 7,076,727 km (0.073 R)
• M11: 8,051,956 km (0.074 R)
• M12: 9,807,936 km (0.119 R)
• M13: 11,193,661 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 10

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.51 AU - 4.79 AU

Year: 6921 Days

Day: 8.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,787,126 km

• M1: 158,873 km (0.102 R)
• M2: 593,455 km (0.089 R)
• M3: 1,073,814 km (0.098 R)
• M4: 1,392,756 km (0.11 R)
• M5: 2,432,461 km (0.052 R)
• M6: 2,817,377 km (0.08 R)
• M7: 3,285,618 km (0.104 R)
• M8: 3,711,074 km (0.116 R)
• M9: 4,457,867 km (0.111 R)
• M10: 6,622,698 km (0.098 R)
• M11: 7,048,004 km (0.047 R)
• M12: 8,516,008 km (0.116 R)
• M13: 9,586,980 km (0.068 R)
• M14: 10,697,445 km (0.092 R)
• M15: 11,036,882 km (0.107 R)
• M16: 11,994,757 km (0.099 R)
• M17: 16,195,166 km (0.108 R)
• M18: 17,631,605 km (0.032 R)
• M19: 20,383,757 km (0.048 R)
• M20: 22,528,093 km (0.064 R)
• M21: 29,382,069 km (0.114 R)
• M22: 30,241,658 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.3

Radius: 7.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.88 AU - 6.6 AU

Year: 9492 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,787,126 km

• M1: 96,939 km (0.106 R)
• M2: 330,761 km (0.063 R)
• M3: 615,296 km (0.074 R)
• M4: 992,582 km (0.066 R)
• M5: 1,365,829 km (0.095 R)
• M6: 2,362,001 km (0.102 R)
• M7: 3,031,750 km (0.119 R)
• M8: 5,211,840 km (0.075 R)
• M9: 5,681,428 km (0.059 R)
• M10: 7,476,752 km (0.034 R)
• M11: 8,424,006 km (0.06 R)
• M12: 18,922,186 km (0.098 R)
• M13: 19,609,289 km (0.029 R)
• M14: 20,241,789 km (0.055 R)
• M15: 23,847,397 km (0.069 R)
• M16: 24,487,227 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 16,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit