🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 13.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.49 AU - 0.77 AU

Year: 339 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,146,231 km

• M1: 171,589 km (0.113 R)
• M2: 1,027,737 km (0.12 R)
• M3: 1,588,729 km (0.111 R)

Asteroid Belt

Center: 1.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 11.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.61 AU - 2.21 AU

Year: 1790 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,146,231 km

• M1: 139,575 km (0.047 R)
• M2: 494,421 km (0.082 R)
• M3: 929,452 km (0.113 R)
• M4: 1,316,312 km (0.085 R)
• M5: 1,823,299 km (0.116 R)
• M6: 2,223,024 km (0.114 R)
• M7: 2,813,338 km (0.051 R)
• M8: 3,301,775 km (0.077 R)
• M9: 3,864,861 km (0.036 R)
• M10: 4,389,052 km (0.068 R)
• M11: 5,026,488 km (0.104 R)
• M12: 6,755,241 km (0.074 R)
• M13: 8,337,089 km (0.118 R)
• M14: 10,369,676 km (0.037 R)
• M15: 10,963,280 km (0.106 R)
• M16: 14,596,414 km (0.103 R)
• M17: 15,295,185 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.5

Radius: 9.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.57 AU - 3.61 AU

Year: 3684 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,146,231 km

• M1: 123,418 km (0.119 R)
• M2: 610,359 km (0.065 R)
• M3: 2,097,811 km (0.1 R)
• M4: 2,469,262 km (0.097 R)
• M5: 4,766,338 km (0.113 R)
• M6: 5,211,541 km (0.105 R)
• M7: 7,177,407 km (0.11 R)
• M8: 7,763,531 km (0.113 R)
• M9: 9,177,231 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 8.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.64 AU - 4 AU

Year: 5064 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,146,231 km

• M1: 104,419 km (0.106 R)
• M2: 376,837 km (0.105 R)
• M3: 667,506 km (0.098 R)
• M4: 1,166,415 km (0.055 R)
• M5: 1,569,581 km (0.107 R)
• M6: 2,024,358 km (0.061 R)
• M7: 2,503,520 km (0.112 R)
• M8: 4,337,889 km (0.074 R)
• M9: 4,632,148 km (0.093 R)
• M10: 6,195,297 km (0.059 R)
• M11: 6,657,704 km (0.076 R)
• M12: 7,522,230 km (0.051 R)
• M13: 10,850,334 km (0.092 R)
• M14: 12,311,905 km (0.056 R)
• M15: 12,673,932 km (0.047 R)
• M16: 15,100,559 km (0.115 R)
• M17: 15,938,456 km (0.089 R)
• M18: 16,917,574 km (0.074 R)
• M19: 18,110,019 km (0.109 R)
• M20: 18,875,661 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 8.1

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.33 AU - 4.57 AU

Year: 5325 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,146,231 km

• M1: 100,679 km (0.113 R)
• M2: 384,467 km (0.109 R)
• M3: 638,185 km (0.115 R)
• M4: 1,324,988 km (0.049 R)
• M5: 1,900,940 km (0.036 R)
• M6: 2,186,223 km (0.098 R)
• M7: 2,651,024 km (0.093 R)
• M8: 2,934,811 km (0.1 R)
• M9: 3,460,049 km (0.103 R)
• M10: 4,023,734 km (0.098 R)
• M11: 4,799,848 km (0.108 R)
• M12: 5,142,277 km (0.042 R)
• M13: 5,416,640 km (0.077 R)
• M14: 6,085,342 km (0.104 R)
• M15: 6,423,882 km (0.114 R)
• M16: 7,656,419 km (0.045 R)
• M17: 9,727,901 km (0.114 R)
• M18: 10,320,608 km (0.11 R)
• M19: 10,625,937 km (0.096 R)
• M20: 12,003,135 km (0.118 R)
• M21: 12,834,301 km (0.115 R)
• M22: 13,289,676 km (0.089 R)
• M23: 14,394,008 km (0.06 R)
• M24: 14,830,385 km (0.098 R)
• M25: 16,427,641 km (0.085 R)
• M26: 17,390,154 km (0.035 R)
• M27: 17,698,625 km (0.074 R)
• M28: 19,759,336 km (0.093 R)
• M29: 21,903,372 km (0.11 R)
• M30: 26,322,942 km (0.118 R)
• M31: 27,723,029 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.4

Radius: 3.1

Gravity: 83.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6 AU - 8.76 AU

Year: 13598 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,146,231 km

• M1: 38,895 km (0.078 R)
• M2: 151,094 km (0.063 R)
• M3: 251,923 km (0.073 R)
• M4: 456,872 km (0.108 R)
• M5: 852,857 km (0.091 R)
• M6: 983,456 km (0.083 R)
• M7: 1,549,535 km (0.097 R)
• M8: 2,786,859 km (0.081 R)
• M9: 2,929,126 km (0.066 R)
• M10: 3,151,279 km (0.076 R)
• M11: 3,279,634 km (0.103 R)
• M12: 4,184,701 km (0.032 R)
• M13: 4,661,470 km (0.055 R)
• M14: 4,895,890 km (0.112 R)
• M15: 5,138,088 km (0.091 R)
• M16: 5,951,602 km (0.093 R)
• M17: 6,267,702 km (0.055 R)
• M18: 6,720,236 km (0.116 R)
• M19: 8,017,399 km (0.117 R)
• M20: 9,209,843 km (0.089 R)
• M21: 9,525,495 km (0.119 R)
• M22: 10,122,839 km (0.103 R)
• M23: 10,860,357 km (0.085 R)
• M24: 11,512,005 km (0.113 R)
• M25: 12,126,403 km (0.046 R)
• M26: 17,210,038 km (0.117 R)
• M27: 18,340,101 km (0.073 R)
• M28: 19,604,801 km (0.049 R)
• M29: 24,238,745 km (0.111 R)
• M30: 25,450,188 km (0.087 R)
• M31: 29,213,173 km (0.104 R)
• M32: 29,552,012 km (0.072 R)
• M33: 30,007,837 km (0.116 R)
• M34: 36,758,740 km (0.12 R)
• M35: 37,021,583 km (0.101 R)
• M36: 38,761,257 km (0.112 R)
• M37: 39,170,258 km (0.078 R)
• M38: 41,258,644 km (0.096 R)
• M39: 44,902,250 km (0.083 R)
• M40: 48,913,118 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.6

Radius: 4.3

Gravity: 45.19 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.3 AU - 9.64 AU

Year: 16719 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 91.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,146,231 km

• M1: 53,406 km (0.044 R)
• M2: 268,678 km (0.051 R)
• M3: 439,818 km (0.069 R)
• M4: 665,561 km (0.116 R)
• M5: 907,909 km (0.059 R)
• M6: 1,075,160 km (0.102 R)
• M7: 1,504,207 km (0.09 R)
• M8: 1,793,678 km (0.098 R)
• M9: 3,118,068 km (0.103 R)
• M10: 3,389,140 km (0.076 R)
• M11: 3,530,360 km (0.119 R)
• M12: 3,705,240 km (0.105 R)
• M13: 5,705,812 km (0.116 R)
• M14: 6,363,594 km (0.115 R)
• M15: 6,889,281 km (0.084 R)
• M16: 12,311,456 km (0.073 R)
• M17: 14,560,660 km (0.034 R)
• M18: 18,775,580 km (0.116 R)
• M19: 19,488,713 km (0.117 R)
• M20: 28,329,947 km (0.101 R)
• M21: 29,030,963 km (0.112 R)
• M22: 29,385,809 km (0.119 R)
• M23: 33,871,950 km (0.12 R)
• M24: 35,060,804 km (0.049 R)
• M25: 38,793,869 km (0.097 R)
• M26: 39,948,765 km (0.11 R)
• M27: 43,396,547 km (0.088 R)
• M28: 44,015,583 km (0.11 R)
• M29: 51,220,067 km (0.119 R)
• M30: 53,312,941 km (0.117 R)
• M31: 54,739,506 km (0.066 R)
• M32: 55,643,826 km (0.096 R)
• M33: 56,374,462 km (0.093 R)
• M34: 59,932,497 km (0.078 R)
• M35: 64,637,201 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 20,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit