🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 10.5

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.88 AU - 0.98 AU

Year: 588 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,979,423 km

• M1: 130,599 km (0.038 R)
• M2: 472,131 km (0.117 R)
• M3: 884,273 km (0.085 R)
• M4: 1,286,542 km (0.113 R)
• M5: 1,614,011 km (0.07 R)
• M6: 2,015,981 km (0.106 R)
• M7: 2,610,184 km (0.053 R)
• M8: 3,036,986 km (0.111 R)
• M9: 4,357,337 km (0.111 R)
• M10: 4,764,543 km (0.12 R)
• M11: 5,145,868 km (0.106 R)
• M12: 5,494,131 km (0.115 R)
• M13: 6,257,380 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.7

Radius: 14.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.18 AU - 1.34 AU

Year: 928 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,979,423 km

• M1: 191,934 km (0.11 R)
• M2: 819,348 km (0.085 R)
• M3: 1,274,873 km (0.086 R)
• M4: 2,635,466 km (0.05 R)
• M5: 3,206,630 km (0.076 R)
• M6: 4,113,343 km (0.086 R)
• M7: 6,391,419 km (0.089 R)
• M8: 6,979,339 km (0.081 R)
• M9: 9,242,306 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 12.4

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.8 AU - 1.92 AU

Year: 1664 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,979,423 km

• M1: 154,535 km (0.044 R)
• M2: 758,611 km (0.088 R)
• M3: 1,345,034 km (0.091 R)
• M4: 1,827,188 km (0.104 R)
• M5: 2,260,723 km (0.118 R)
• M6: 2,651,622 km (0.087 R)
• M7: 3,388,990 km (0.041 R)
• M8: 3,815,643 km (0.101 R)
• M9: 4,533,414 km (0.117 R)
• M10: 5,053,416 km (0.082 R)
• M11: 5,659,437 km (0.072 R)
• M12: 6,698,544 km (0.103 R)
• M13: 7,236,199 km (0.109 R)
• M14: 7,629,491 km (0.069 R)
• M15: 9,088,370 km (0.096 R)
• M16: 9,580,248 km (0.04 R)
• M17: 10,653,612 km (0.066 R)
• M18: 11,238,091 km (0.025 R)
• M19: 12,631,745 km (0.106 R)
• M20: 13,921,578 km (0.066 R)
• M21: 14,665,229 km (0.115 R)
• M22: 15,573,737 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 12.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.39 AU - 5.93 AU

Year: 7689 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,979,423 km

• M1: 150,495 km (0.047 R)
• M2: 743,801 km (0.107 R)
• M3: 1,355,656 km (0.103 R)
• M4: 2,436,201 km (0.059 R)
• M5: 3,474,859 km (0.077 R)
• M6: 4,242,895 km (0.071 R)
• M7: 5,206,455 km (0.062 R)
• M8: 5,709,852 km (0.079 R)
• M9: 7,129,386 km (0.119 R)
• M10: 7,639,066 km (0.074 R)
• M11: 8,251,071 km (0.076 R)
• M12: 11,224,777 km (0.092 R)
• M13: 12,220,351 km (0.093 R)
• M14: 14,966,519 km (0.106 R)
• M15: 15,441,193 km (0.117 R)
• M16: 16,672,084 km (0.102 R)
• M17: 21,647,859 km (0.086 R)
• M18: 27,181,933 km (0.116 R)
• M19: 27,622,648 km (0.085 R)
• M20: 31,904,139 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328

Radius: 5.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.4 AU - 11.6 AU

Year: 22320 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,979,423 km

• M1: 82,428 km (0.119 R)
• M2: 320,887 km (0.111 R)
• M3: 577,448 km (0.108 R)
• M4: 1,025,793 km (0.093 R)
• M5: 2,130,573 km (0.105 R)
• M6: 3,083,063 km (0.11 R)
• M7: 3,556,091 km (0.037 R)
• M8: 3,781,236 km (0.052 R)
• M9: 4,323,079 km (0.099 R)
• M10: 5,448,803 km (0.096 R)
• M11: 6,547,001 km (0.107 R)
• M12: 6,757,635 km (0.027 R)
• M13: 6,972,757 km (0.096 R)
• M14: 7,281,676 km (0.1 R)
• M15: 7,553,645 km (0.069 R)
• M16: 12,749,778 km (0.079 R)
• M17: 13,481,012 km (0.091 R)
• M18: 16,453,372 km (0.094 R)
• M19: 17,560,845 km (0.104 R)
• M20: 19,142,095 km (0.088 R)
• M21: 20,545,323 km (0.095 R)
• M22: 21,828,274 km (0.12 R)
• M23: 24,857,631 km (0.116 R)
• M24: 26,632,161 km (0.038 R)
• M25: 26,846,385 km (0.096 R)
• M26: 28,377,968 km (0.113 R)
• M27: 32,460,045 km (0.114 R)
• M28: 35,994,893 km (0.11 R)
• M29: 37,317,039 km (0.053 R)
• M30: 37,585,268 km (0.093 R)
• M31: 43,966,665 km (0.026 R)
• M32: 45,171,825 km (0.104 R)
• M33: 48,281,067 km (0.117 R)
• M34: 54,921,717 km (0.076 R)
• M35: 58,459,258 km (0.082 R)
• M36: 61,957,753 km (0.093 R)
• M37: 62,145,648 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.1

Radius: 6.4

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.5 AU - 12.56 AU

Year: 24031 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,979,423 km

• M1: 86,767 km (0.106 R)
• M2: 636,689 km (0.112 R)
• M3: 851,361 km (0.086 R)
• M4: 1,171,202 km (0.043 R)
• M5: 1,586,785 km (0.08 R)
• M6: 1,849,030 km (0.101 R)
• M7: 2,558,572 km (0.11 R)
• M8: 2,813,936 km (0.111 R)
• M9: 3,287,264 km (0.048 R)
• M10: 5,028,134 km (0.066 R)
• M11: 6,029,093 km (0.117 R)
• M12: 7,256,394 km (0.111 R)
• M13: 8,641,970 km (0.104 R)
• M14: 11,104,650 km (0.086 R)
• M15: 11,306,308 km (0.069 R)
• M16: 12,640,870 km (0.105 R)
• M17: 13,383,923 km (0.077 R)
• M18: 13,689,252 km (0.108 R)
• M19: 15,619,214 km (0.09 R)
• M20: 16,300,932 km (0.087 R)
• M21: 18,371,367 km (0.105 R)
• M22: 20,009,912 km (0.074 R)
• M23: 20,409,189 km (0.035 R)
• M24: 21,848,619 km (0.063 R)
• M25: 22,808,888 km (0.089 R)
• M26: 23,685,681 km (0.082 R)
• M27: 28,284,769 km (0.077 R)
• M28: 31,660,893 km (0.083 R)
• M29: 31,931,067 km (0.117 R)
• M30: 34,433,690 km (0.105 R)
• M31: 41,902,513 km (0.113 R)
• M32: 44,219,485 km (0.101 R)
• M33: 50,566,474 km (0.097 R)
• M34: 53,572,344 km (0.091 R)
• M35: 82,019,277 km (0.099 R)
• M36: 85,895,956 km (0.114 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: 290 - 16,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit