🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 13.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.55 AU - 0.81 AU

Year: 368 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 58.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,079,150 km

• M1: 166,652 km (0.084 R)
• M2: 595,250 km (0.081 R)
• M3: 1,075,309 km (0.094 R)
• M4: 1,808,788 km (0.045 R)
• M5: 2,500,080 km (0.12 R)
• M6: 3,076,181 km (0.118 R)
• M7: 3,739,947 km (0.092 R)
• M8: 4,666,855 km (0.087 R)
• M9: 5,308,780 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 12.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.68 AU - 1.88 AU

Year: 1558 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,079,150 km

• M1: 160,219 km (0.117 R)
• M2: 578,046 km (0.114 R)
• M3: 1,358,648 km (0.047 R)
• M4: 2,074,174 km (0.092 R)
• M5: 2,645,339 km (0.092 R)
• M6: 3,509,716 km (0.064 R)
• M7: 5,859,449 km (0.112 R)
• M8: 7,301,423 km (0.096 R)
• M9: 8,495,214 km (0.107 R)
• M10: 9,053,214 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.69 AU - 2.23 AU

Year: 1800 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,079,150 km

• M1: 167,849 km (0.098 R)
• M2: 749,037 km (0.068 R)
• M3: 1,398,142 km (0.081 R)
• M4: 2,685,581 km (0.046 R)
• M5: 3,386,297 km (0.092 R)
• M6: 4,300,939 km (0.109 R)
• M7: 5,069,124 km (0.119 R)
• M8: 6,070,831 km (0.12 R)
• M9: 9,088,071 km (0.114 R)
• M10: 10,284,854 km (0.03 R)
• M11: 12,351,698 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 12.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.53 AU - 3.55 AU

Year: 4369 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,079,150 km

• M1: 154,235 km (0.094 R)
• M2: 923,318 km (0.096 R)
• M3: 1,417,290 km (0.052 R)
• M4: 1,917,695 km (0.072 R)
• M5: 2,791,347 km (0.025 R)
• M6: 3,872,490 km (0.067 R)
• M7: 5,554,419 km (0.079 R)
• M8: 7,881,265 km (0.056 R)
• M9: 8,400,818 km (0.119 R)
• M10: 10,837,468 km (0.069 R)
• M11: 11,480,889 km (0.11 R)
• M12: 12,470,628 km (0.066 R)
• M13: 14,262,063 km (0.12 R)
• M14: 14,826,346 km (0.082 R)
• M15: 15,673,519 km (0.071 R)
• M16: 16,665,053 km (0.105 R)
• M17: 17,933,045 km (0.116 R)
• M18: 19,701,591 km (0.12 R)
• M19: 21,717,721 km (0.087 R)
• M20: 22,880,097 km (0.025 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.4

Radius: 5.6

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.85 AU - 7.09 AU

Year: 9569 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,079,150 km

• M1: 69,713 km (0.089 R)
• M2: 686,505 km (0.097 R)
• M3: 863,329 km (0.116 R)
• M4: 1,198,429 km (0.1 R)
• M5: 1,384,229 km (0.098 R)
• M6: 1,951,055 km (0.09 R)
• M7: 2,159,894 km (0.108 R)
• M8: 2,680,345 km (0.103 R)
• M9: 3,085,456 km (0.098 R)
• M10: 3,600,671 km (0.086 R)
• M11: 3,792,904 km (0.051 R)
• M12: 4,093,895 km (0.12 R)
• M13: 4,575,301 km (0.031 R)
• M14: 5,305,339 km (0.114 R)
• M15: 5,523,153 km (0.085 R)
• M16: 6,280,717 km (0.071 R)
• M17: 6,920,397 km (0.092 R)
• M18: 7,641,609 km (0.1 R)
• M19: 8,924,111 km (0.097 R)
• M20: 9,639,189 km (0.109 R)
• M21: 13,052,564 km (0.095 R)
• M22: 13,278,606 km (0.08 R)
• M23: 14,690,661 km (0.089 R)
• M24: 16,005,775 km (0.044 R)
• M25: 16,395,478 km (0.043 R)
• M26: 16,991,925 km (0.044 R)
• M27: 17,602,733 km (0.09 R)
• M28: 21,187,247 km (0.094 R)
• M29: 26,835,165 km (0.052 R)
• M30: 29,080,180 km (0.113 R)
• M31: 29,953,234 km (0.047 R)
• M32: 31,853,875 km (0.073 R)
• M33: 35,015,925 km (0.043 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 15,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit