🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 11.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,184,752 km

• M1: 140,622 km (0.077 R)
• M2: 595,998 km (0.095 R)
• M3: 994,826 km (0.083 R)
• M4: 1,446,761 km (0.056 R)
• M5: 2,233,047 km (0.073 R)
• M6: 2,965,927 km (0.051 R)
• M7: 3,626,701 km (0.077 R)
• M8: 4,040,040 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.6

Radius: 13.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.88 AU - 1.36 AU

Year: 790 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,184,752 km

• M1: 170,392 km (0.108 R)
• M2: 692,638 km (0.057 R)
• M3: 1,254,079 km (0.109 R)
• M4: 2,317,121 km (0.096 R)
• M5: 2,763,671 km (0.079 R)
• M6: 3,400,958 km (0.097 R)
• M7: 3,955,517 km (0.067 R)
• M8: 4,436,325 km (0.063 R)
• M9: 5,364,430 km (0.071 R)
• M10: 6,138,001 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 12.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.19 AU - 3.09 AU

Year: 2860 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,184,752 km

• M1: 155,432 km (0.098 R)
• M2: 547,379 km (0.112 R)
• M3: 1,169,407 km (0.088 R)
• M4: 1,957,189 km (0.063 R)
• M5: 2,754,396 km (0.091 R)
• M6: 3,263,178 km (0.105 R)
• M7: 4,576,049 km (0.093 R)
• M8: 6,257,829 km (0.044 R)
• M9: 7,804,222 km (0.053 R)
• M10: 8,694,030 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 8.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.6 AU - 3.06 AU

Year: 3175 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,184,752 km

• M1: 144,960 km (0.097 R)
• M2: 620,682 km (0.057 R)
• M3: 1,269,039 km (0.118 R)
• M4: 2,284,808 km (0.109 R)
• M5: 2,688,872 km (0.1 R)
• M6: 3,301,326 km (0.108 R)
• M7: 3,658,416 km (0.088 R)
• M8: 5,773,281 km (0.03 R)
• M9: 6,897,808 km (0.116 R)
• M10: 7,200,445 km (0.103 R)
• M11: 9,675,541 km (0.077 R)
• M12: 10,020,215 km (0.107 R)
• M13: 11,329,795 km (0.075 R)
• M14: 12,667,948 km (0.075 R)
• M15: 13,803,246 km (0.034 R)
• M16: 14,732,099 km (0.109 R)
• M17: 16,082,369 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 13.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.63 AU - 4.03 AU

Year: 4052 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,184,752 km

• M1: 166,652 km (0.102 R)
• M2: 678,277 km (0.117 R)
• M3: 1,112,260 km (0.107 R)
• M4: 1,778,120 km (0.099 R)
• M5: 2,270,896 km (0.104 R)
• M6: 3,397,667 km (0.091 R)
• M7: 3,964,194 km (0.118 R)
• M8: 4,893,945 km (0.11 R)
• M9: 6,889,431 km (0.12 R)
• M10: 8,491,325 km (0.087 R)
• M11: 11,296,584 km (0.12 R)
• M12: 11,942,996 km (0.117 R)
• M13: 14,136,400 km (0.052 R)
• M14: 14,670,315 km (0.102 R)
• M15: 15,328,546 km (0.114 R)
• M16: 17,060,889 km (0.096 R)
• M17: 17,789,132 km (0.036 R)
• M18: 20,843,023 km (0.075 R)
• M19: 21,535,212 km (0.094 R)
• M20: 27,307,446 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 9.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.44 AU - 5.44 AU

Year: 7322 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,184,752 km

• M1: 187,895 km (0.106 R)
• M2: 639,830 km (0.107 R)
• M3: 1,348,924 km (0.116 R)
• M4: 1,646,923 km (0.056 R)
• M5: 2,297,375 km (0.044 R)
• M6: 2,782,820 km (0.099 R)
• M7: 3,377,770 km (0.11 R)
• M8: 4,079,235 km (0.09 R)
• M9: 4,477,614 km (0.092 R)
• M10: 5,266,294 km (0.045 R)
• M11: 5,862,142 km (0.072 R)
• M12: 6,403,387 km (0.103 R)
• M13: 6,839,465 km (0.057 R)
• M14: 7,549,157 km (0.101 R)
• M15: 8,151,438 km (0.05 R)
• M16: 9,409,407 km (0.064 R)
• M17: 9,797,613 km (0.106 R)
• M18: 10,514,486 km (0.107 R)
• M19: 14,011,636 km (0.11 R)
• M20: 15,154,713 km (0.085 R)
• M21: 15,809,353 km (0.08 R)
• M22: 16,857,885 km (0.091 R)
• M23: 17,302,939 km (0.091 R)
• M24: 18,083,989 km (0.088 R)
• M25: 19,927,035 km (0.086 R)
• M26: 20,712,723 km (0.119 R)
• M27: 22,651,661 km (0.062 R)
• M28: 23,507,361 km (0.089 R)
• M29: 26,544,048 km (0.108 R)
• M30: 28,737,901 km (0.118 R)
• M31: 29,190,733 km (0.045 R)
• M32: 29,832,807 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 14,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit