🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 14.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.56 AU - 0.72 AU

Year: 347 Days

Day: 12.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,511,596 km

• M1: 175,329 km (0.109 R)
• M2: 716,574 km (0.115 R)
• M3: 1,190,051 km (0.082 R)
• M4: 1,654,104 km (0.083 R)
• M5: 2,137,305 km (0.103 R)
• M6: 2,734,499 km (0.03 R)
• M7: 3,203,788 km (0.047 R)
• M8: 4,373,195 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546

Radius: 10

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.65 AU - 0.75 AU

Year: 397 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,511,596 km

• M1: 124,316 km (0.039 R)
• M2: 437,873 km (0.105 R)
• M3: 996,920 km (0.077 R)
• M4: 1,327,831 km (0.119 R)
• M5: 1,797,718 km (0.078 R)
• M6: 2,137,604 km (0.095 R)
• M7: 2,456,696 km (0.106 R)
• M8: 2,908,631 km (0.119 R)
• M9: 3,577,334 km (0.12 R)
• M10: 3,967,336 km (0.1 R)
• M11: 4,358,833 km (0.114 R)
• M12: 5,023,945 km (0.092 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.8

Radius: 5.2

Gravity: 26.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.5 AU - 6.84 AU

Year: 11684 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,511,596 km

• M1: 123,717 km (0.12 R)
• M2: 286,181 km (0.057 R)
• M3: 523,742 km (0.116 R)
• M4: 793,617 km (0.089 R)
• M5: 1,059,452 km (0.111 R)
• M6: 1,424,621 km (0.088 R)
• M7: 1,853,069 km (0.059 R)
• M8: 3,126,147 km (0.051 R)
• M9: 3,957,163 km (0.059 R)
• M10: 4,215,219 km (0.089 R)
• M11: 4,515,163 km (0.086 R)
• M12: 4,893,795 km (0.096 R)
• M13: 5,678,286 km (0.062 R)
• M14: 7,933,325 km (0.102 R)
• M15: 9,258,014 km (0.107 R)
• M16: 9,713,390 km (0.086 R)
• M17: 10,290,090 km (0.08 R)
• M18: 11,453,961 km (0.116 R)
• M19: 13,013,070 km (0.117 R)
• M20: 13,456,029 km (0.115 R)
• M21: 13,648,861 km (0.091 R)
• M22: 14,913,262 km (0.072 R)
• M23: 15,468,270 km (0.107 R)
• M24: 15,822,069 km (0.115 R)
• M25: 18,769,596 km (0.11 R)
• M26: 19,091,082 km (0.096 R)
• M27: 21,885,720 km (0.061 R)
• M28: 25,330,211 km (0.101 R)
• M29: 28,269,958 km (0.078 R)
• M30: 29,550,217 km (0.12 R)
• M31: 33,035,548 km (0.028 R)
• M32: 34,695,636 km (0.106 R)
• M33: 40,541,023 km (0.055 R)
• M34: 44,260,176 km (0.115 R)
• M35: 49,411,429 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.5

Radius: 6.1

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.15 AU - 8.61 AU

Year: 13598 Days

Day: 19.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,511,596 km

• M1: 76,145 km (0.085 R)
• M2: 304,132 km (0.113 R)
• M3: 597,643 km (0.092 R)
• M4: 850,613 km (0.058 R)
• M5: 1,210,097 km (0.063 R)
• M6: 4,721,608 km (0.032 R)
• M7: 6,690,615 km (0.088 R)
• M8: 7,125,347 km (0.085 R)
• M9: 8,139,022 km (0.078 R)
• M10: 9,586,232 km (0.063 R)
• M11: 10,087,534 km (0.079 R)
• M12: 12,037,841 km (0.104 R)
• M13: 13,593,659 km (0.025 R)
• M14: 15,413,966 km (0.1 R)
• M15: 16,953,627 km (0.094 R)
• M16: 17,538,106 km (0.109 R)
• M17: 19,214,650 km (0.066 R)
• M18: 21,925,363 km (0.061 R)
• M19: 23,596,371 km (0.093 R)
• M20: 27,788,403 km (0.078 R)
• M21: 33,351,648 km (0.073 R)
• M22: 38,853,858 km (0.092 R)
• M23: 44,931,720 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.2

Radius: 6.8

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.04 AU - 10.94 AU

Year: 19829 Days

Day: 22.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,511,596 km

• M1: 95,892 km (0.118 R)
• M2: 482,453 km (0.062 R)
• M3: 1,006,644 km (0.12 R)
• M4: 1,435,392 km (0.083 R)
• M5: 1,841,849 km (0.053 R)
• M6: 2,146,580 km (0.115 R)
• M7: 3,017,090 km (0.107 R)
• M8: 3,592,443 km (0.033 R)
• M9: 4,411,641 km (0.042 R)
• M10: 7,765,775 km (0.03 R)
• M11: 8,508,678 km (0.04 R)
• M12: 9,710,398 km (0.114 R)
• M13: 10,258,524 km (0.11 R)
• M14: 11,021,324 km (0.086 R)
• M15: 12,802,735 km (0.093 R)
• M16: 16,752,418 km (0.099 R)
• M17: 17,099,635 km (0.114 R)
• M18: 18,170,157 km (0.068 R)
• M19: 18,721,874 km (0.115 R)
• M20: 19,284,811 km (0.116 R)
• M21: 20,444,195 km (0.095 R)
• M22: 23,871,332 km (0.077 R)
• M23: 26,945,568 km (0.053 R)
• M24: 33,591,005 km (0.117 R)
• M25: 39,084,837 km (0.1 R)
• M26: 40,624,199 km (0.119 R)
• M27: 45,316,037 km (0.086 R)
• M28: 58,499,350 km (0.055 R)
• M29: 62,360,920 km (0.102 R)
• M30: 71,265,583 km (0.065 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: 237 - 12,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit