🌌 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: 934.6

Radius: 10.9

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,007,138 km

• M1: 135,685 km (0.042 R)
• M2: 643,570 km (0.087 R)
• M3: 990,039 km (0.109 R)
• M4: 1,359,845 km (0.092 R)
• M5: 2,068,639 km (0.108 R)
• M6: 2,474,648 km (0.049 R)
• M7: 3,128,839 km (0.119 R)
• M8: 3,679,958 km (0.051 R)
• M9: 4,649,352 km (0.073 R)
• M10: 5,465,857 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 9

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.82 AU - 2.12 AU

Year: 1875 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,007,138 km

• M1: 124,316 km (0.065 R)
• M2: 633,697 km (0.077 R)
• M3: 968,347 km (0.069 R)
• M4: 1,699,282 km (0.111 R)
• M5: 3,102,211 km (0.1 R)
• M6: 4,959,618 km (0.099 R)
• M7: 5,265,845 km (0.117 R)
• M8: 6,285,953 km (0.115 R)
• M9: 7,545,866 km (0.118 R)
• M10: 7,834,291 km (0.107 R)
• M11: 8,807,425 km (0.028 R)
• M12: 9,824,990 km (0.113 R)
• M13: 14,420,936 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 12.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.04 AU - 2.44 AU

Year: 2274 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,007,138 km

• M1: 157,975 km (0.052 R)
• M2: 562,787 km (0.087 R)
• M3: 962,214 km (0.102 R)
• M4: 1,421,329 km (0.074 R)
• M5: 2,100,653 km (0.039 R)
• M6: 3,500,889 km (0.036 R)
• M7: 4,432,136 km (0.086 R)
• M8: 5,498,171 km (0.113 R)
• M9: 6,431,212 km (0.108 R)
• M10: 7,176,659 km (0.112 R)
• M11: 7,615,130 km (0.052 R)
• M12: 9,586,830 km (0.025 R)
• M13: 10,412,012 km (0.055 R)
• M14: 10,898,953 km (0.102 R)
• M15: 14,933,607 km (0.119 R)
• M16: 15,796,937 km (0.043 R)
• M17: 16,794,904 km (0.099 R)
• M18: 17,465,851 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 11.2

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.41 AU - 4.69 AU

Year: 6583 Days

Day: 8.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,007,138 km

• M1: 139,425 km (0.062 R)
• M2: 497,862 km (0.09 R)
• M3: 850,763 km (0.09 R)
• M4: 1,257,370 km (0.105 R)
• M5: 2,082,851 km (0.111 R)
• M6: 3,649,590 km (0.08 R)
• M7: 4,003,389 km (0.059 R)
• M8: 4,527,430 km (0.094 R)
• M9: 5,801,405 km (0.104 R)
• M10: 6,316,770 km (0.085 R)
• M11: 7,130,134 km (0.092 R)
• M12: 8,613,247 km (0.079 R)
• M13: 9,123,825 km (0.096 R)
• M14: 9,571,721 km (0.078 R)
• M15: 10,162,782 km (0.111 R)
• M16: 11,232,706 km (0.036 R)
• M17: 12,229,177 km (0.083 R)
• M18: 12,925,406 km (0.054 R)
• M19: 13,283,393 km (0.074 R)
• M20: 13,912,602 km (0.086 R)
• M21: 14,726,863 km (0.071 R)
• M22: 17,422,766 km (0.105 R)
• M23: 18,887,030 km (0.096 R)
• M24: 25,171,787 km (0.118 R)
• M25: 27,290,691 km (0.107 R)
• M26: 28,912,481 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679

Radius: 6.7

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.85 AU - 8.69 AU

Year: 14690 Days

Day: 19.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,007,138 km

• M1: 84,972 km (0.115 R)
• M2: 365,468 km (0.11 R)
• M3: 713,582 km (0.069 R)
• M4: 1,257,221 km (0.105 R)
• M5: 1,496,128 km (0.093 R)
• M6: 1,816,118 km (0.074 R)
• M7: 2,104,393 km (0.104 R)
• M8: 2,340,309 km (0.115 R)
• M9: 2,937,055 km (0.064 R)
• M10: 4,030,615 km (0.118 R)
• M11: 4,718,466 km (0.113 R)
• M12: 5,555,018 km (0.049 R)
• M13: 5,970,002 km (0.037 R)
• M14: 8,216,813 km (0.079 R)
• M15: 10,177,742 km (0.09 R)
• M16: 13,809,230 km (0.061 R)
• M17: 14,082,844 km (0.086 R)
• M18: 14,499,923 km (0.068 R)
• M19: 15,652,724 km (0.112 R)
• M20: 16,556,595 km (0.108 R)
• M21: 16,943,305 km (0.092 R)
• M22: 18,633,462 km (0.116 R)
• M23: 19,734,353 km (0.103 R)
• M24: 22,627,875 km (0.078 R)
• M25: 26,732,691 km (0.115 R)
• M26: 33,718,014 km (0.076 R)
• M27: 35,604,892 km (0.117 R)
• M28: 35,990,555 km (0.052 R)
• M29: 38,363,028 km (0.055 R)
• M30: 40,140,101 km (0.051 R)
• M31: 44,300,567 km (0.111 R)
• M32: 50,014,308 km (0.074 R)
• M33: 51,147,811 km (0.1 R)
• M34: 53,634,277 km (0.073 R)
• M35: 55,164,215 km (0.094 R)
• M36: 58,311,006 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.5

Radius: 7.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.33 AU - 9.53 AU

Year: 18100 Days

Day: 24 Hours

Environment

Temp: -244 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,007,138 km

• M1: 93,349 km (0.117 R)
• M2: 1,028,037 km (0.056 R)
• M3: 1,798,466 km (0.11 R)
• M4: 2,546,904 km (0.064 R)
• M5: 2,887,538 km (0.103 R)
• M6: 3,423,846 km (0.084 R)
• M7: 4,362,872 km (0.073 R)
• M8: 6,063,202 km (0.093 R)
• M9: 7,286,763 km (0.108 R)
• M10: 7,790,160 km (0.1 R)
• M11: 10,213,795 km (0.105 R)
• M12: 11,263,074 km (0.092 R)
• M13: 15,299,225 km (0.1 R)
• M14: 18,910,218 km (0.036 R)
• M15: 20,486,980 km (0.117 R)
• M16: 20,841,078 km (0.115 R)
• M17: 26,653,703 km (0.113 R)
• M18: 28,193,963 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.2

Radius: 5

Gravity: 30.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.47 AU - 10.29 AU

Year: 21063 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,007,138 km

• M1: 62,981 km (0.065 R)
• M2: 254,915 km (0.077 R)
• M3: 443,857 km (0.054 R)
• M4: 737,667 km (0.075 R)
• M5: 899,532 km (0.085 R)
• M6: 4,998,214 km (0.103 R)
• M7: 5,306,685 km (0.049 R)
• M8: 10,804,856 km (0.108 R)
• M9: 12,822,781 km (0.073 R)
• M10: 19,123,245 km (0.066 R)
• M11: 22,774,630 km (0.097 R)
• M12: 23,301,215 km (0.042 R)
• M13: 25,601,581 km (0.051 R)
• M14: 27,099,056 km (0.103 R)
• M15: 44,749,959 km (0.087 R)
• M16: 52,002,165 km (0.076 R)
• M17: 53,282,274 km (0.116 R)
• M18: 63,663,917 km (0.078 R)
• M19: 73,700,588 km (0.07 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit