🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 10.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.42 AU - 0.62 AU

Year: 254 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,480,639 km

• M1: 125,662 km (0.11 R)
• M2: 465,997 km (0.109 R)
• M3: 1,028,037 km (0.048 R)
• M4: 1,365,230 km (0.113 R)
• M5: 1,809,087 km (0.113 R)
• M6: 2,347,789 km (0.059 R)
• M7: 2,857,020 km (0.048 R)
• M8: 3,290,854 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 10.9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.59 AU - 0.67 AU

Year: 339 Days

Day: 11.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 53.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,480,639 km

• M1: 135,536 km (0.103 R)
• M2: 665,411 km (0.104 R)
• M3: 1,019,360 km (0.11 R)
• M4: 1,445,863 km (0.058 R)
• M5: 1,865,635 km (0.109 R)
• M6: 2,233,646 km (0.061 R)
• M7: 4,155,530 km (0.098 R)
• M8: 4,673,138 km (0.09 R)
• M9: 5,440,725 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.2

Radius: 8.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.06 AU - 1.12 AU

Year: 772 Days

Day: 5.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,480,639 km

• M1: 103,372 km (0.071 R)
• M2: 567,574 km (0.109 R)
• M3: 937,530 km (0.085 R)
• M4: 1,278,164 km (0.106 R)
• M5: 1,731,895 km (0.071 R)
• M6: 2,148,973 km (0.078 R)
• M7: 2,793,441 km (0.028 R)
• M8: 3,444,940 km (0.048 R)
• M9: 4,050,213 km (0.077 R)
• M10: 4,461,308 km (0.087 R)
• M11: 4,900,078 km (0.111 R)
• M12: 5,163,520 km (0.104 R)
• M13: 5,453,890 km (0.107 R)
• M14: 5,882,338 km (0.093 R)
• M15: 6,180,187 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 11.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.2 AU - 1.32 AU

Year: 959 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,480,639 km

• M1: 144,362 km (0.117 R)
• M2: 547,379 km (0.043 R)
• M3: 1,259,764 km (0.078 R)
• M4: 1,757,177 km (0.12 R)
• M5: 2,216,891 km (0.06 R)
• M6: 2,651,173 km (0.106 R)
• M7: 3,077,527 km (0.116 R)
• M8: 3,549,808 km (0.12 R)
• M9: 3,962,249 km (0.115 R)
• M10: 4,624,220 km (0.105 R)
• M11: 5,026,937 km (0.102 R)
• M12: 5,724,363 km (0.103 R)
• M13: 6,636,610 km (0.087 R)
• M14: 7,219,743 km (0.097 R)
• M15: 8,083,222 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.1

Radius: 13.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.69 AU - 4.21 AU

Year: 4346 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,480,639 km

• M1: 166,652 km (0.091 R)
• M2: 657,034 km (0.027 R)
• M3: 1,101,938 km (0.075 R)
• M4: 1,795,773 km (0.101 R)
• M5: 2,352,127 km (0.047 R)
• M6: 3,353,386 km (0.071 R)
• M7: 4,230,179 km (0.085 R)
• M8: 4,697,672 km (0.104 R)
• M9: 5,974,939 km (0.062 R)
• M10: 7,195,358 km (0.083 R)
• M11: 8,966,597 km (0.1 R)
• M12: 9,869,271 km (0.09 R)
• M13: 10,563,106 km (0.116 R)
• M14: 11,570,049 km (0.074 R)
• M15: 12,096,933 km (0.119 R)
• M16: 13,934,593 km (0.094 R)
• M17: 15,145,588 km (0.034 R)
• M18: 15,893,427 km (0.044 R)
• M19: 17,713,285 km (0.11 R)
• M20: 20,144,700 km (0.083 R)
• M21: 26,229,892 km (0.114 R)
• M22: 27,731,556 km (0.107 R)
• M23: 29,026,176 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 4.2

Gravity: 55.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.66 AU - 7.5 AU

Year: 10168 Days

Day: 23 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,480,639 km

• M1: 52,509 km (0.112 R)
• M2: 795,262 km (0.087 R)
• M3: 1,065,137 km (0.093 R)
• M4: 1,721,273 km (0.103 R)
• M5: 1,990,549 km (0.086 R)
• M6: 2,153,910 km (0.064 R)
• M7: 3,803,526 km (0.07 R)
• M8: 3,942,353 km (0.102 R)
• M9: 4,379,627 km (0.067 R)
• M10: 5,213,037 km (0.028 R)
• M11: 7,617,374 km (0.105 R)
• M12: 11,060,967 km (0.117 R)
• M13: 11,402,051 km (0.089 R)
• M14: 13,086,971 km (0.055 R)
• M15: 17,090,809 km (0.119 R)
• M16: 17,777,463 km (0.108 R)
• M17: 18,561,655 km (0.089 R)
• M18: 19,205,375 km (0.11 R)
• M19: 21,840,840 km (0.096 R)
• M20: 29,084,968 km (0.085 R)
• M21: 35,156,996 km (0.102 R)
• M22: 38,164,511 km (0.102 R)
• M23: 45,693,772 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 14,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit