🌌 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: 487

Radius: 13.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.58 AU - 0.72 AU

Year: 362 Days

Day: 14 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,291,551 km

• M1: 179,966 km (0.103 R)
• M2: 652,696 km (0.085 R)
• M3: 1,205,759 km (0.043 R)
• M4: 1,672,654 km (0.078 R)
• M5: 2,369,481 km (0.118 R)
• M6: 2,950,070 km (0.071 R)
• M7: 3,716,310 km (0.037 R)
• M8: 4,440,214 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 11.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.58 AU - 0.94 AU

Year: 457 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,291,551 km

• M1: 138,079 km (0.044 R)
• M2: 499,058 km (0.115 R)
• M3: 848,669 km (0.111 R)
• M4: 1,234,930 km (0.063 R)
• M5: 1,790,387 km (0.1 R)
• M6: 2,493,497 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 12.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.75 AU - 0.77 AU

Year: 457 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,291,551 km

• M1: 155,582 km (0.102 R)
• M2: 572,661 km (0.074 R)
• M3: 1,053,917 km (0.086 R)
• M4: 1,458,430 km (0.096 R)
• M5: 1,944,623 km (0.072 R)
• M6: 2,441,437 km (0.116 R)
• M7: 2,912,371 km (0.107 R)
• M8: 3,542,777 km (0.055 R)
• M9: 4,391,595 km (0.051 R)
• M10: 5,255,972 km (0.111 R)
• M11: 5,729,150 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.18 AU - 1.46 AU

Year: 1047 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,291,551 km

• M1: 112,198 km (0.111 R)
• M2: 484,548 km (0.061 R)
• M3: 895,942 km (0.08 R)
• M4: 1,420,881 km (0.113 R)
• M5: 1,720,226 km (0.067 R)
• M6: 2,139,399 km (0.075 R)
• M7: 2,605,546 km (0.084 R)
• M8: 3,323,466 km (0.052 R)
• M9: 3,716,310 km (0.111 R)
• M10: 4,420,916 km (0.099 R)
• M11: 5,506,548 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 11.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.44 AU - 1.46 AU

Year: 1205 Days

Day: 15 Hours

Environment

Temp: -191 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,291,551 km

• M1: 138,079 km (0.115 R)
• M2: 563,386 km (0.08 R)
• M3: 1,002,904 km (0.038 R)
• M4: 1,396,047 km (0.087 R)
• M5: 1,767,349 km (0.094 R)
• M6: 3,102,660 km (0.108 R)
• M7: 3,455,860 km (0.074 R)
• M8: 3,866,507 km (0.092 R)
• M9: 6,368,082 km (0.073 R)
• M10: 6,852,181 km (0.101 R)
• M11: 7,455,958 km (0.099 R)
• M12: 7,994,211 km (0.119 R)
• M13: 8,531,866 km (0.117 R)
• M14: 9,286,437 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168

Radius: 9.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.51 AU - 5.25 AU

Year: 7441 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,291,551 km

• M1: 115,938 km (0.041 R)
• M2: 476,320 km (0.094 R)
• M3: 784,342 km (0.102 R)
• M4: 1,105,229 km (0.108 R)
• M5: 1,818,063 km (0.092 R)
• M6: 2,120,251 km (0.055 R)
• M7: 3,725,286 km (0.088 R)
• M8: 4,330,559 km (0.099 R)
• M9: 5,050,275 km (0.098 R)
• M10: 5,709,104 km (0.082 R)
• M11: 6,453,951 km (0.113 R)
• M12: 9,773,229 km (0.111 R)
• M13: 10,092,920 km (0.092 R)
• M14: 10,627,283 km (0.119 R)
• M15: 11,442,143 km (0.117 R)
• M16: 17,992,286 km (0.064 R)
• M17: 18,291,780 km (0.087 R)
• M18: 22,358,150 km (0.118 R)
• M19: 24,053,842 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.9

Radius: 6.4

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.12 AU - 7.46 AU

Year: 12213 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 105.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,291,551 km

• M1: 79,885 km (0.072 R)
• M2: 468,541 km (0.074 R)
• M3: 1,049,728 km (0.112 R)
• M4: 1,360,593 km (0.108 R)
• M5: 1,917,546 km (0.079 R)
• M6: 2,883,499 km (0.101 R)
• M7: 3,644,503 km (0.105 R)
• M8: 4,474,472 km (0.092 R)
• M9: 5,198,825 km (0.075 R)
• M10: 5,589,126 km (0.114 R)
• M11: 6,839,764 km (0.046 R)
• M12: 7,429,030 km (0.073 R)
• M13: 8,663,362 km (0.088 R)
• M14: 9,258,762 km (0.118 R)
• M15: 10,127,925 km (0.034 R)
• M16: 11,262,476 km (0.12 R)
• M17: 11,915,770 km (0.034 R)
• M18: 15,302,665 km (0.047 R)
• M19: 15,833,588 km (0.111 R)
• M20: 19,434,409 km (0.046 R)
• M21: 19,666,286 km (0.068 R)
• M22: 20,293,849 km (0.051 R)
• M23: 20,612,642 km (0.113 R)
• M24: 20,934,726 km (0.066 R)
• M25: 24,164,095 km (0.053 R)
• M26: 25,248,979 km (0.104 R)
• M27: 25,525,286 km (0.06 R)
• M28: 26,177,683 km (0.106 R)
• M29: 28,004,572 km (0.104 R)
• M30: 28,898,868 km (0.1 R)
• M31: 33,880,776 km (0.074 R)
• M32: 34,895,798 km (0.046 R)
• M33: 37,821,782 km (0.057 R)
• M34: 42,836,752 km (0.063 R)
• M35: 43,229,745 km (0.079 R)
• M36: 45,231,215 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.3

Radius: 6.3

Gravity: 21.3 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.89 AU - 10.29 AU

Year: 22123 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,291,551 km

• M1: 78,539 km (0.058 R)
• M2: 288,125 km (0.086 R)
• M3: 522,097 km (0.116 R)
• M4: 776,114 km (0.11 R)
• M5: 1,701,377 km (0.09 R)
• M6: 2,577,272 km (0.104 R)
• M7: 3,099,967 km (0.082 R)
• M8: 3,506,125 km (0.091 R)
• M9: 3,849,752 km (0.114 R)
• M10: 4,079,983 km (0.092 R)
• M11: 5,331,818 km (0.032 R)
• M12: 5,618,298 km (0.089 R)
• M13: 7,763,681 km (0.067 R)
• M14: 9,723,413 km (0.092 R)
• M15: 11,377,217 km (0.114 R)
• M16: 12,270,616 km (0.096 R)
• M17: 13,508,389 km (0.067 R)
• M18: 14,987,762 km (0.111 R)
• M19: 21,472,979 km (0.113 R)
• M20: 22,094,110 km (0.095 R)
• M21: 23,699,145 km (0.102 R)
• M22: 34,991,092 km (0.099 R)
• M23: 37,166,544 km (0.114 R)
• M24: 46,771,176 km (0.051 R)
• M25: 47,117,046 km (0.07 R)
• M26: 55,744,505 km (0.1 R)
• M27: 59,714,533 km (0.119 R)
• M28: 62,393,682 km (0.076 R)
• M29: 62,602,969 km (0.111 R)
• M30: 66,234,008 km (0.051 R)
• M31: 67,108,258 km (0.114 R)
• M32: 69,552,239 km (0.059 R)
• M33: 70,909,989 km (0.057 R)
• M34: 72,979,526 km (0.078 R)
• M35: 77,964,725 km (0.088 R)
• M36: 80,664,219 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 20,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit