🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 11

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.64 AU - 0.88 AU

Year: 428 Days

Day: 11.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,437,271 km

• M1: 137,032 km (0.118 R)
• M2: 550,221 km (0.086 R)
• M3: 909,555 km (0.104 R)
• M4: 1,347,877 km (0.056 R)
• M5: 1,726,659 km (0.102 R)
• M6: 2,151,816 km (0.112 R)
• M7: 2,495,292 km (0.085 R)
• M8: 2,845,202 km (0.086 R)
• M9: 3,730,522 km (0.088 R)
• M10: 4,805,084 km (0.08 R)
• M11: 5,304,292 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 14

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.41 AU - 3.07 AU

Year: 2928 Days

Day: 11 Hours

Environment

Temp: -201 °C

Axial Tilt: 128.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,437,271 km

• M1: 174,282 km (0.101 R)
• M2: 709,094 km (0.069 R)
• M3: 1,341,893 km (0.083 R)
• M4: 1,979,629 km (0.094 R)
• M5: 2,897,561 km (0.11 R)
• M6: 3,794,999 km (0.096 R)
• M7: 4,659,076 km (0.077 R)
• M8: 5,415,892 km (0.027 R)
• M9: 6,112,719 km (0.038 R)
• M10: 6,959,891 km (0.112 R)
• M11: 7,428,133 km (0.092 R)
• M12: 8,532,913 km (0.085 R)
• M13: 9,667,912 km (0.046 R)
• M14: 10,252,241 km (0.086 R)
• M15: 12,103,365 km (0.112 R)
• M16: 15,180,893 km (0.046 R)
• M17: 15,651,976 km (0.114 R)
• M18: 16,186,789 km (0.11 R)
• M19: 16,733,868 km (0.111 R)
• M20: 19,842,512 km (0.114 R)
• M21: 20,279,936 km (0.103 R)
• M22: 21,174,382 km (0.092 R)
• M23: 22,161,728 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 10.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.88 AU - 4.28 AU

Year: 4374 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,437,271 km

• M1: 136,732 km (0.108 R)
• M2: 668,702 km (0.109 R)
• M3: 1,045,540 km (0.073 R)
• M4: 1,611,917 km (0.063 R)
• M5: 2,106,039 km (0.076 R)
• M6: 2,635,615 km (0.092 R)
• M7: 3,440,003 km (0.113 R)
• M8: 4,631,849 km (0.084 R)
• M9: 5,665,720 km (0.08 R)
• M10: 6,251,845 km (0.081 R)
• M11: 7,578,179 km (0.086 R)
• M12: 8,753,121 km (0.073 R)
• M13: 10,085,589 km (0.114 R)
• M14: 12,399,868 km (0.079 R)
• M15: 16,282,232 km (0.117 R)
• M16: 17,409,751 km (0.092 R)
• M17: 18,288,938 km (0.087 R)
• M18: 20,008,865 km (0.06 R)
• M19: 20,648,545 km (0.085 R)
• M20: 21,566,927 km (0.114 R)
• M21: 22,443,869 km (0.09 R)
• M22: 23,274,287 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.9

Radius: 5.6

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.21 AU - 10.07 AU

Year: 16398 Days

Day: 24.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,437,271 km

• M1: 81,980 km (0.11 R)
• M2: 266,733 km (0.067 R)
• M3: 536,757 km (0.09 R)
• M4: 769,531 km (0.093 R)
• M5: 1,091,466 km (0.09 R)
• M6: 1,348,774 km (0.114 R)
• M7: 1,707,660 km (0.049 R)
• M8: 2,411,817 km (0.11 R)
• M9: 3,172,672 km (0.105 R)
• M10: 3,806,817 km (0.118 R)
• M11: 4,254,863 km (0.114 R)
• M12: 5,356,651 km (0.077 R)
• M13: 5,774,777 km (0.105 R)
• M14: 6,519,625 km (0.083 R)
• M15: 6,955,703 km (0.031 R)
• M16: 8,108,354 km (0.082 R)
• M17: 8,992,178 km (0.109 R)
• M18: 12,743,345 km (0.083 R)
• M19: 14,524,008 km (0.063 R)
• M20: 21,707,997 km (0.075 R)
• M21: 25,858,740 km (0.075 R)
• M22: 29,324,773 km (0.072 R)
• M23: 30,183,016 km (0.066 R)
• M24: 32,743,832 km (0.074 R)
• M25: 32,973,016 km (0.109 R)
• M26: 36,052,189 km (0.117 R)
• M27: 41,959,660 km (0.077 R)
• M28: 48,629,630 km (0.034 R)
• M29: 49,077,825 km (0.096 R)
• M30: 49,679,807 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.3

Radius: 3.5

Gravity: 26.72 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.72 AU - 12.98 AU

Year: 23076 Days

Day: 24.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 56 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,437,271 km

• M1: 47,123 km (0.116 R)
• M2: 406,158 km (0.12 R)
• M3: 615,146 km (0.041 R)
• M4: 1,359,545 km (0.081 R)
• M5: 1,621,940 km (0.108 R)
• M6: 2,068,041 km (0.067 R)
• M7: 2,330,136 km (0.036 R)
• M8: 3,223,385 km (0.084 R)
• M9: 3,382,857 km (0.086 R)
• M10: 3,892,836 km (0.085 R)
• M11: 5,923,477 km (0.112 R)
• M12: 11,963,791 km (0.095 R)
• M13: 14,668,670 km (0.081 R)
• M14: 16,472,970 km (0.113 R)
• M15: 18,252,137 km (0.071 R)
• M16: 29,550,367 km (0.087 R)
• M17: 35,313,774 km (0.071 R)
• M18: 44,759,683 km (0.093 R)
• M19: 58,808,419 km (0.114 R)
• M20: 62,158,514 km (0.044 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit