🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 13.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.64 AU - 3.72 AU

Year: 2550 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,094,827 km

• M1: 170,392 km (0.072 R)
• M2: 1,675,047 km (0.109 R)
• M3: 2,306,201 km (0.087 R)
• M4: 3,486,827 km (0.081 R)
• M5: 4,462,654 km (0.088 R)
• M6: 5,392,405 km (0.089 R)
• M7: 6,696,898 km (0.105 R)
• M8: 8,266,928 km (0.117 R)
• M9: 9,813,471 km (0.026 R)
• M10: 10,256,729 km (0.103 R)
• M11: 10,752,048 km (0.113 R)
• M12: 11,263,373 km (0.08 R)
• M13: 13,160,125 km (0.072 R)
• M14: 13,791,428 km (0.11 R)
• M15: 14,395,653 km (0.118 R)
• M16: 15,017,532 km (0.118 R)
• M17: 15,807,409 km (0.116 R)
• M18: 16,624,961 km (0.092 R)
• M19: 17,256,414 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 12.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.26 AU - 4.25 AU

Year: 3265 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,094,827 km

• M1: 159,471 km (0.111 R)
• M2: 637,287 km (0.093 R)
• M3: 1,384,678 km (0.083 R)
• M4: 1,856,510 km (0.092 R)
• M5: 2,333,876 km (0.055 R)
• M6: 3,064,213 km (0.088 R)
• M7: 3,658,416 km (0.062 R)
• M8: 4,395,485 km (0.085 R)
• M9: 5,280,057 km (0.068 R)
• M10: 6,025,802 km (0.102 R)
• M11: 7,024,518 km (0.081 R)
• M12: 8,689,692 km (0.089 R)
• M13: 9,088,968 km (0.112 R)
• M14: 11,145,490 km (0.117 R)
• M15: 11,617,471 km (0.116 R)
• M16: 12,786,429 km (0.103 R)
• M17: 14,633,963 km (0.094 R)
• M18: 15,148,430 km (0.078 R)
• M19: 15,781,678 km (0.108 R)
• M20: 16,598,033 km (0.101 R)
• M21: 17,904,172 km (0.118 R)
• M22: 19,339,115 km (0.049 R)
• M23: 21,435,430 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 13.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.65 AU - 5.65 AU

Year: 4508 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,094,827 km

• M1: 165,455 km (0.119 R)
• M2: 631,453 km (0.115 R)
• M3: 1,184,965 km (0.1 R)
• M4: 2,034,232 km (0.062 R)
• M5: 2,987,469 km (0.104 R)
• M6: 3,748,324 km (0.036 R)
• M7: 4,563,782 km (0.1 R)
• M8: 8,145,155 km (0.099 R)
• M9: 8,941,315 km (0.113 R)
• M10: 10,232,345 km (0.097 R)
• M11: 11,643,950 km (0.064 R)
• M12: 13,036,706 km (0.043 R)
• M13: 13,723,510 km (0.08 R)
• M14: 17,881,134 km (0.034 R)
• M15: 25,135,584 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 13

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.87 AU - 11.39 AU

Year: 12403 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,094,827 km

• M1: 161,715 km (0.1 R)
• M2: 677,678 km (0.069 R)
• M3: 1,108,670 km (0.105 R)
• M4: 1,776,325 km (0.079 R)
• M5: 2,305,154 km (0.085 R)
• M6: 3,607,852 km (0.09 R)
• M7: 6,131,568 km (0.088 R)
• M8: 9,017,909 km (0.038 R)
• M9: 9,810,479 km (0.101 R)
• M10: 10,329,135 km (0.029 R)
• M11: 10,920,794 km (0.045 R)
• M12: 13,390,356 km (0.09 R)
• M13: 15,646,142 km (0.062 R)
• M14: 16,355,236 km (0.087 R)
• M15: 18,299,410 km (0.057 R)
• M16: 21,068,766 km (0.077 R)
• M17: 21,584,878 km (0.107 R)
• M18: 23,184,379 km (0.084 R)
• M19: 26,718,180 km (0.082 R)
• M20: 27,731,556 km (0.027 R)
• M21: 29,620,229 km (0.096 R)
• M22: 34,714,934 km (0.079 R)
• M23: 39,319,257 km (0.074 R)
• M24: 49,114,776 km (0.095 R)
• M25: 51,097,098 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.2

Radius: 3.8

Gravity: 24.04 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.59 AU - 11.73 AU

Year: 14560 Days

Day: 21.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,094,827 km

• M1: 47,273 km (0.115 R)
• M2: 659,727 km (0.119 R)
• M3: 1,147,116 km (0.118 R)
• M4: 1,684,771 km (0.097 R)
• M5: 2,316,673 km (0.026 R)
• M6: 3,403,052 km (0.064 R)
• M7: 4,140,420 km (0.08 R)
• M8: 5,539,609 km (0.089 R)
• M9: 6,553,434 km (0.08 R)
• M10: 6,904,091 km (0.12 R)
• M11: 7,987,030 km (0.101 R)
• M12: 9,178,428 km (0.111 R)
• M13: 16,583,822 km (0.112 R)
• M14: 19,206,123 km (0.043 R)
• M15: 22,265,100 km (0.069 R)
• M16: 23,682,839 km (0.099 R)
• M17: 29,745,293 km (0.037 R)
• M18: 30,062,440 km (0.118 R)
• M19: 30,918,888 km (0.11 R)
• M20: 33,929,695 km (0.099 R)
• M21: 38,614,801 km (0.099 R)
• M22: 44,535,286 km (0.062 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit