🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.52 AU - 0.54 AU

Year: 173 Days

Day: 37.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,324,457 km

• M1: 34,258 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.29 AU - 1.53 AU

Year: 753 Days

Day: 15.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,324,457 km

• M1: 253,269 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.6

Radius: 12.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.31 AU - 3.87 AU

Year: 3058 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 107.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,324,457 km

• M1: 156,928 km (0.066 R)
• M2: 577,448 km (0.053 R)
• M3: 1,000,810 km (0.077 R)
• M4: 1,651,112 km (0.079 R)
• M5: 2,211,805 km (0.057 R)
• M6: 3,042,222 km (0.105 R)
• M7: 3,554,894 km (0.081 R)
• M8: 4,366,014 km (0.073 R)
• M9: 7,119,213 km (0.118 R)
• M10: 8,798,599 km (0.118 R)
• M11: 9,747,498 km (0.038 R)
• M12: 10,623,992 km (0.116 R)
• M13: 11,224,927 km (0.061 R)
• M14: 12,965,647 km (0.082 R)
• M15: 13,652,302 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 14.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.08 AU - 6.46 AU

Year: 5439 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,324,457 km

• M1: 185,352 km (0.043 R)
• M2: 692,189 km (0.062 R)
• M3: 1,284,298 km (0.106 R)
• M4: 2,141,194 km (0.06 R)
• M5: 2,920,450 km (0.097 R)
• M6: 3,906,150 km (0.03 R)
• M7: 4,993,577 km (0.092 R)
• M8: 6,668,475 km (0.115 R)
• M9: 9,018,956 km (0.082 R)
• M10: 10,134,358 km (0.107 R)
• M11: 11,878,071 km (0.08 R)
• M12: 12,382,066 km (0.106 R)
• M13: 12,952,932 km (0.116 R)
• M14: 14,485,562 km (0.054 R)
• M15: 17,325,977 km (0.107 R)
• M16: 24,247,421 km (0.088 R)
• M17: 25,556,702 km (0.042 R)
• M18: 27,520,623 km (0.07 R)
• M19: 29,308,616 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.2

Radius: 3.3

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 12.22 AU - 15.48 AU

Year: 23174 Days

Day: 20.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 152.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,324,457 km

• M1: 42,037 km (0.063 R)
• M2: 206,295 km (0.119 R)
• M3: 504,294 km (0.062 R)
• M4: 809,175 km (0.101 R)
• M5: 1,636,451 km (0.119 R)
• M6: 2,271,943 km (0.029 R)
• M7: 2,458,940 km (0.098 R)
• M8: 2,611,380 km (0.086 R)
• M9: 3,416,666 km (0.115 R)
• M10: 3,890,293 km (0.041 R)
• M11: 4,249,926 km (0.114 R)
• M12: 4,966,350 km (0.086 R)
• M13: 9,096,448 km (0.074 R)
• M14: 10,557,870 km (0.036 R)
• M15: 11,797,288 km (0.103 R)
• M16: 12,483,793 km (0.118 R)
• M17: 15,060,167 km (0.065 R)
• M18: 15,496,843 km (0.114 R)
• M19: 15,792,598 km (0.118 R)
• M20: 17,013,616 km (0.073 R)
• M21: 19,299,173 km (0.091 R)
• M22: 21,141,769 km (0.101 R)
• M23: 25,274,111 km (0.109 R)
• M24: 25,890,455 km (0.089 R)
• M25: 26,939,585 km (0.064 R)
• M26: 32,132,725 km (0.106 R)
• M27: 47,944,622 km (0.067 R)
• M28: 48,414,658 km (0.119 R)
• M29: 52,618,807 km (0.033 R)
• M30: 53,790,906 km (0.039 R)
• M31: 55,495,425 km (0.044 R)
• M32: 58,653,436 km (0.044 R)
• M33: 61,007,358 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.2

Radius: 7

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 10.72 AU - 17.38 AU

Year: 23677 Days

Day: 22.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 105.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,324,457 km

• M1: 87,066 km (0.068 R)
• M2: 410,646 km (0.107 R)
• M3: 635,492 km (0.071 R)
• M4: 1,355,955 km (0.09 R)
• M5: 1,998,628 km (0.092 R)
• M6: 2,275,234 km (0.08 R)
• M7: 3,094,881 km (0.03 R)
• M8: 4,951,241 km (0.115 R)
• M9: 5,833,719 km (0.064 R)
• M10: 10,362,794 km (0.099 R)
• M11: 12,491,721 km (0.098 R)
• M12: 13,066,476 km (0.084 R)
• M13: 13,434,487 km (0.105 R)
• M14: 18,132,608 km (0.067 R)
• M15: 20,108,048 km (0.112 R)
• M16: 20,697,763 km (0.067 R)
• M17: 21,299,146 km (0.037 R)
• M18: 22,015,122 km (0.099 R)
• M19: 27,483,971 km (0.105 R)
• M20: 30,723,513 km (0.048 R)
• M21: 33,109,749 km (0.1 R)
• M22: 34,908,065 km (0.066 R)
• M23: 36,335,079 km (0.063 R)
• M24: 38,849,370 km (0.099 R)
• M25: 44,884,298 km (0.087 R)
• M26: 54,872,200 km (0.066 R)
• M27: 55,829,925 km (0.098 R)
• M28: 59,974,385 km (0.111 R)
• M29: 66,028,461 km (0.038 R)
• M30: 67,548,525 km (0.073 R)
• M31: 70,432,921 km (0.062 R)
• M32: 71,563,881 km (0.113 R)
• M33: 74,794,896 km (0.111 R)
• M34: 77,880,951 km (0.07 R)
• M35: 82,792,847 km (0.079 R)
• M36: 83,799,342 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 18,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit