🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.8

Radius: 12.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.72 AU - 0.76 AU

Year: 411 Days

Day: 11.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,030,544 km

• M1: 161,117 km (0.115 R)
• M2: 571,613 km (0.097 R)
• M3: 1,002,605 km (0.108 R)
• M4: 1,465,311 km (0.101 R)
• M5: 1,946,119 km (0.119 R)
• M6: 3,520,187 km (0.11 R)
• M7: 3,948,337 km (0.086 R)
• M8: 4,550,318 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.7

Radius: 8.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.84 AU - 1.2 AU

Year: 665 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,030,544 km

• M1: 109,506 km (0.118 R)
• M2: 1,033,572 km (0.068 R)
• M3: 1,381,985 km (0.072 R)
• M4: 2,091,677 km (0.109 R)
• M5: 2,413,911 km (0.108 R)
• M6: 2,981,785 km (0.12 R)
• M7: 3,274,548 km (0.102 R)
• M8: 4,010,869 km (0.109 R)
• M9: 5,455,685 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 12.2

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.25 AU - 1.77 AU

Year: 1198 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,030,544 km

• M1: 151,842 km (0.104 R)
• M2: 577,747 km (0.11 R)
• M3: 1,007,093 km (0.074 R)
• M4: 1,456,784 km (0.114 R)
• M5: 2,009,997 km (0.097 R)
• M6: 2,611,081 km (0.077 R)
• M7: 3,196,458 km (0.055 R)
• M8: 4,500,802 km (0.08 R)
• M9: 5,387,917 km (0.1 R)
• M10: 6,247,955 km (0.112 R)
• M11: 7,222,884 km (0.099 R)
• M12: 9,382,030 km (0.066 R)
• M13: 10,659,297 km (0.109 R)
• M14: 11,726,528 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 11.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.41 AU - 1.85 AU

Year: 1344 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,030,544 km

• M1: 138,079 km (0.113 R)
• M2: 718,219 km (0.109 R)
• M3: 1,165,068 km (0.116 R)
• M4: 1,797,119 km (0.077 R)
• M5: 2,524,165 km (0.061 R)
• M6: 2,942,889 km (0.086 R)
• M7: 4,275,208 km (0.106 R)
• M8: 5,631,911 km (0.102 R)
• M9: 6,172,259 km (0.053 R)
• M10: 7,232,159 km (0.08 R)
• M11: 7,636,971 km (0.029 R)
• M12: 8,575,548 km (0.064 R)
• M13: 8,943,260 km (0.09 R)
• M14: 9,589,373 km (0.102 R)
• M15: 10,234,888 km (0.05 R)
• M16: 11,107,343 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.8

Radius: 10.2

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.91 AU - 6.11 AU

Year: 7241 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,030,544 km

• M1: 128,953 km (0.051 R)
• M2: 967,898 km (0.064 R)
• M3: 1,528,890 km (0.086 R)
• M4: 3,412,627 km (0.049 R)
• M5: 3,831,650 km (0.075 R)
• M6: 5,862,890 km (0.086 R)
• M7: 8,075,443 km (0.086 R)
• M8: 8,865,619 km (0.067 R)
• M9: 10,264,359 km (0.113 R)
• M10: 12,440,858 km (0.094 R)
• M11: 14,013,431 km (0.071 R)
• M12: 16,614,788 km (0.081 R)
• M13: 19,449,369 km (0.102 R)
• M14: 24,410,034 km (0.097 R)
• M15: 29,475,568 km (0.096 R)
• M16: 32,973,914 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 10.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.06 AU - 6.02 AU

Year: 7306 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,030,544 km

• M1: 133,740 km (0.091 R)
• M2: 802,293 km (0.115 R)
• M3: 1,214,286 km (0.047 R)
• M4: 1,986,211 km (0.106 R)
• M5: 2,372,921 km (0.117 R)
• M6: 4,244,540 km (0.112 R)
• M7: 6,659,648 km (0.103 R)
• M8: 8,338,585 km (0.104 R)
• M9: 8,668,299 km (0.074 R)
• M10: 9,006,989 km (0.095 R)
• M11: 9,432,744 km (0.059 R)
• M12: 11,630,486 km (0.102 R)
• M13: 12,229,327 km (0.059 R)
• M14: 15,100,559 km (0.111 R)
• M15: 15,702,391 km (0.114 R)
• M16: 16,376,928 km (0.088 R)
• M17: 18,148,017 km (0.097 R)
• M18: 24,149,734 km (0.076 R)
• M19: 25,200,509 km (0.064 R)
• M20: 25,583,031 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.3

Radius: 3.6

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.76 AU - 8.98 AU

Year: 14255 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,030,544 km

• M1: 44,879 km (0.073 R)
• M2: 210,634 km (0.091 R)
• M3: 404,961 km (0.084 R)
• M4: 769,382 km (0.118 R)
• M5: 1,144,125 km (0.111 R)
• M6: 1,644,081 km (0.117 R)
• M7: 2,222,875 km (0.103 R)
• M8: 3,282,776 km (0.107 R)
• M9: 3,617,426 km (0.094 R)
• M10: 4,382,619 km (0.112 R)
• M11: 5,123,877 km (0.104 R)
• M12: 7,885,603 km (0.097 R)
• M13: 8,440,461 km (0.06 R)
• M14: 9,916,095 km (0.06 R)
• M15: 14,215,687 km (0.103 R)
• M16: 14,527,300 km (0.088 R)
• M17: 14,653,261 km (0.069 R)
• M18: 14,971,306 km (0.049 R)
• M19: 17,327,622 km (0.053 R)
• M20: 19,078,964 km (0.115 R)
• M21: 19,842,213 km (0.111 R)
• M22: 22,505,504 km (0.106 R)
• M23: 22,674,100 km (0.085 R)
• M24: 22,928,716 km (0.114 R)
• M25: 23,530,099 km (0.057 R)
• M26: 24,674,822 km (0.093 R)
• M27: 25,856,197 km (0.065 R)
• M28: 26,790,136 km (0.115 R)
• M29: 27,169,965 km (0.037 R)
• M30: 28,135,171 km (0.097 R)
• M31: 28,725,185 km (0.118 R)
• M32: 30,855,159 km (0.09 R)
• M33: 34,410,951 km (0.052 R)
• M34: 41,939,314 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.2

Radius: 5.3

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.47 AU - 13.17 AU

Year: 22980 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,030,544 km

• M1: 68,217 km (0.118 R)
• M2: 233,971 km (0.11 R)
• M3: 2,385,637 km (0.071 R)
• M4: 5,514,626 km (0.045 R)
• M5: 19,304,109 km (0.108 R)
• M6: 31,007,899 km (0.12 R)
• M7: 33,062,027 km (0.059 R)
• M8: 35,592,625 km (0.094 R)
• M9: 38,659,082 km (0.062 R)
• M10: 39,905,382 km (0.111 R)
• M11: 40,185,878 km (0.104 R)
• M12: 43,804,800 km (0.117 R)
• M13: 45,463,690 km (0.063 R)
• M14: 49,874,434 km (0.11 R)
• M15: 52,183,028 km (0.05 R)
• M16: 53,704,140 km (0.112 R)
• M17: 54,561,934 km (0.103 R)
• M18: 63,075,848 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 15,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit