🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.51 AU - 0.53 AU

Year: 242 Days

Day: 27.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.64 AU - 0.7 AU

Year: 354 Days

Day: 47.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,850,973 km

• M1: 44,431 km (0.085 R)

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 10.6

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.01 AU - 1.37 AU

Year: 838 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,850,973 km

• M1: 132,245 km (0.106 R)
• M2: 846,724 km (0.108 R)
• M3: 1,204,861 km (0.035 R)
• M4: 1,548,488 km (0.108 R)
• M5: 1,958,685 km (0.114 R)
• M6: 2,603,452 km (0.087 R)
• M7: 3,054,938 km (0.058 R)
• M8: 3,632,386 km (0.06 R)
• M9: 4,003,239 km (0.077 R)
• M10: 4,485,243 km (0.032 R)
• M11: 4,840,090 km (0.1 R)
• M12: 5,768,943 km (0.081 R)
• M13: 6,675,506 km (0.075 R)
• M14: 7,139,409 km (0.085 R)
• M15: 7,624,854 km (0.102 R)
• M16: 8,341,278 km (0.1 R)
• M17: 9,157,933 km (0.089 R)
• M18: 10,086,936 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.8

Radius: 14.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.68 AU - 3.96 AU

Year: 4821 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,850,973 km

• M1: 187,297 km (0.106 R)
• M2: 735,274 km (0.074 R)
• M3: 1,745,658 km (0.054 R)
• M4: 2,971,014 km (0.087 R)
• M5: 5,086,328 km (0.086 R)
• M6: 7,514,451 km (0.038 R)
• M7: 8,137,077 km (0.095 R)
• M8: 8,869,059 km (0.052 R)
• M9: 9,446,657 km (0.062 R)
• M10: 10,049,237 km (0.072 R)
• M11: 11,645,895 km (0.105 R)
• M12: 12,339,431 km (0.073 R)
• M13: 14,323,996 km (0.102 R)
• M14: 17,211,983 km (0.102 R)
• M15: 18,173,598 km (0.081 R)
• M16: 19,107,538 km (0.058 R)
• M17: 20,601,272 km (0.115 R)
• M18: 21,685,558 km (0.094 R)
• M19: 22,523,306 km (0.1 R)
• M20: 23,022,065 km (0.093 R)
• M21: 23,674,013 km (0.064 R)
• M22: 25,781,398 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 9.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.45 AU - 5.25 AU

Year: 5858 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,850,973 km

• M1: 121,922 km (0.059 R)
• M2: 595,400 km (0.108 R)
• M3: 1,072,168 km (0.113 R)
• M4: 1,756,728 km (0.101 R)
• M5: 2,594,476 km (0.078 R)
• M6: 3,358,323 km (0.102 R)
• M7: 3,803,675 km (0.072 R)
• M8: 10,466,615 km (0.069 R)
• M9: 11,871,489 km (0.119 R)
• M10: 12,335,242 km (0.079 R)
• M11: 13,102,380 km (0.08 R)
• M12: 14,002,959 km (0.074 R)
• M13: 14,678,693 km (0.105 R)
• M14: 15,485,324 km (0.036 R)
• M15: 16,264,430 km (0.099 R)
• M16: 16,606,261 km (0.117 R)
• M17: 17,363,376 km (0.092 R)
• M18: 18,572,875 km (0.047 R)
• M19: 22,397,494 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.8

Radius: 7.4

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.11 AU - 9.15 AU

Year: 13608 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 24,850,973 km

• M1: 92,302 km (0.028 R)
• M2: 556,055 km (0.095 R)
• M3: 911,949 km (0.071 R)
• M4: 1,729,351 km (0.06 R)
• M5: 2,279,124 km (0.107 R)
• M6: 2,780,426 km (0.065 R)
• M7: 3,178,356 km (0.069 R)
• M8: 3,455,711 km (0.111 R)
• M9: 4,059,338 km (0.118 R)
• M10: 4,541,043 km (0.083 R)
• M11: 7,022,872 km (0.116 R)
• M12: 7,627,846 km (0.081 R)
• M13: 8,551,463 km (0.046 R)
• M14: 9,444,712 km (0.036 R)
• M15: 10,398,698 km (0.092 R)
• M16: 11,948,083 km (0.087 R)
• M17: 12,809,168 km (0.033 R)
• M18: 13,579,747 km (0.111 R)
• M19: 19,945,585 km (0.077 R)
• M20: 21,067,569 km (0.077 R)
• M21: 22,505,354 km (0.06 R)
• M22: 27,210,058 km (0.12 R)
• M23: 27,840,613 km (0.114 R)
• M24: 30,799,509 km (0.062 R)
• M25: 32,062,863 km (0.101 R)
• M26: 32,413,371 km (0.105 R)
• M27: 36,059,968 km (0.092 R)
• M28: 48,011,043 km (0.1 R)
• M29: 49,086,203 km (0.067 R)
• M30: 52,085,042 km (0.118 R)
• M31: 55,539,107 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 4.4

Gravity: 23.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.64 AU - 9.16 AU

Year: 15719 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 24,850,973 km

• M1: 58,942 km (0.082 R)
• M2: 241,900 km (0.045 R)
• M3: 514,168 km (0.09 R)
• M4: 971,040 km (0.095 R)
• M5: 1,218,624 km (0.098 R)
• M6: 1,406,370 km (0.066 R)
• M7: 2,201,033 km (0.091 R)
• M8: 3,621,914 km (0.112 R)
• M9: 4,973,830 km (0.097 R)
• M10: 6,195,596 km (0.117 R)
• M11: 7,516,246 km (0.076 R)
• M12: 9,779,961 km (0.11 R)
• M13: 11,793,847 km (0.084 R)
• M14: 15,737,247 km (0.092 R)
• M15: 19,296,181 km (0.104 R)
• M16: 19,462,085 km (0.086 R)
• M17: 20,998,156 km (0.117 R)
• M18: 21,350,010 km (0.053 R)
• M19: 21,616,593 km (0.067 R)
• M20: 22,338,253 km (0.054 R)
• M21: 28,807,613 km (0.1 R)
• M22: 32,995,456 km (0.094 R)
• M23: 35,048,537 km (0.037 R)
• M24: 35,543,856 km (0.064 R)
• M25: 36,295,286 km (0.037 R)
• M26: 39,674,552 km (0.092 R)
• M27: 40,347,593 km (0.106 R)
• M28: 42,833,461 km (0.102 R)
• M29: 50,114,239 km (0.04 R)
• M30: 50,270,868 km (0.12 R)
• M31: 53,635,325 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.8

Radius: 3.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.41 AU - 11.81 AU

Year: 19235 Days

Day: 21.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,850,973 km

• M1: 43,683 km (0.086 R)
• M2: 341,382 km (0.112 R)
• M3: 648,507 km (0.113 R)
• M4: 1,448,257 km (0.081 R)
• M5: 3,511,511 km (0.117 R)
• M6: 4,353,597 km (0.113 R)
• M7: 4,470,433 km (0.081 R)
• M8: 4,934,037 km (0.099 R)
• M9: 6,455,597 km (0.12 R)
• M10: 9,614,954 km (0.092 R)
• M11: 12,135,678 km (0.115 R)
• M12: 18,067,982 km (0.083 R)
• M13: 23,107,336 km (0.07 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: 177 - 16,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit