🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.9

Radius: 15

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.66 AU - 0.8 AU

Year: 438 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,422,854 km

• M1: 186,698 km (0.081 R)
• M2: 893,249 km (0.11 R)
• M3: 1,550,283 km (0.078 R)
• M4: 2,240,079 km (0.087 R)
• M5: 2,734,051 km (0.043 R)
• M6: 3,576,137 km (0.091 R)
• M7: 4,270,720 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 11.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.88 AU - 0.98 AU

Year: 630 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,422,854 km

• M1: 144,212 km (0.112 R)
• M2: 583,581 km (0.083 R)
• M3: 1,059,751 km (0.051 R)
• M4: 1,517,371 km (0.12 R)
• M5: 1,982,471 km (0.087 R)
• M6: 2,399,849 km (0.086 R)
• M7: 2,950,668 km (0.112 R)
• M8: 3,474,859 km (0.111 R)
• M9: 3,993,814 km (0.119 R)
• M10: 4,968,893 km (0.119 R)
• M11: 5,496,226 km (0.106 R)
• M12: 5,902,982 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 10.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.87 AU - 1.13 AU

Year: 703 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,422,854 km

• M1: 131,796 km (0.088 R)
• M2: 463,604 km (0.074 R)
• M3: 858,991 km (0.12 R)
• M4: 1,213,538 km (0.087 R)
• M5: 1,750,445 km (0.111 R)
• M6: 2,250,700 km (0.119 R)
• M7: 3,392,880 km (0.113 R)
• M8: 3,788,416 km (0.12 R)
• M9: 4,163,010 km (0.1 R)
• M10: 4,521,147 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 9.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.41 AU - 1.53 AU

Year: 1253 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,422,854 km

• M1: 122,072 km (0.103 R)
• M2: 467,194 km (0.1 R)
• M3: 796,309 km (0.104 R)
• M4: 1,252,433 km (0.119 R)
• M5: 1,607,728 km (0.045 R)
• M6: 2,010,895 km (0.101 R)
• M7: 2,515,189 km (0.112 R)
• M8: 2,896,813 km (0.078 R)
• M9: 3,289,508 km (0.097 R)
• M10: 3,807,715 km (0.066 R)
• M11: 4,329,662 km (0.078 R)
• M12: 5,080,942 km (0.12 R)
• M13: 5,694,593 km (0.119 R)
• M14: 7,000,582 km (0.089 R)
• M15: 7,373,978 km (0.065 R)
• M16: 7,809,906 km (0.029 R)
• M17: 8,263,038 km (0.062 R)
• M18: 9,360,937 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 14.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.35 AU - 3.07 AU

Year: 3136 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,422,854 km

• M1: 176,675 km (0.11 R)
• M2: 652,396 km (0.113 R)
• M3: 1,606,980 km (0.099 R)
• M4: 2,175,153 km (0.091 R)
• M5: 3,177,010 km (0.11 R)
• M6: 4,294,805 km (0.111 R)
• M7: 5,583,441 km (0.069 R)
• M8: 6,444,227 km (0.034 R)
• M9: 8,328,861 km (0.119 R)
• M10: 10,439,837 km (0.095 R)
• M11: 10,958,343 km (0.075 R)
• M12: 12,932,287 km (0.112 R)
• M13: 13,813,419 km (0.116 R)
• M14: 14,684,527 km (0.066 R)
• M15: 15,184,184 km (0.087 R)
• M16: 16,164,948 km (0.071 R)
• M17: 16,697,815 km (0.106 R)
• M18: 18,367,327 km (0.102 R)
• M19: 19,660,601 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.6

Radius: 4.6

Gravity: 34.67 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.38 AU - 9.44 AU

Year: 18695 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,422,854 km

• M1: 57,446 km (0.05 R)
• M2: 652,097 km (0.055 R)
• M3: 1,334,263 km (0.075 R)
• M4: 1,620,743 km (0.119 R)
• M5: 2,954,408 km (0.078 R)
• M6: 3,440,751 km (0.062 R)
• M7: 4,367,510 km (0.102 R)
• M8: 4,675,233 km (0.083 R)
• M9: 7,201,641 km (0.118 R)
• M10: 9,464,908 km (0.031 R)
• M11: 10,393,462 km (0.095 R)
• M12: 10,818,170 km (0.077 R)
• M13: 16,688,989 km (0.087 R)
• M14: 16,936,723 km (0.089 R)
• M15: 17,695,035 km (0.057 R)
• M16: 18,387,673 km (0.114 R)
• M17: 19,369,484 km (0.112 R)
• M18: 24,380,863 km (0.051 R)
• M19: 24,700,104 km (0.115 R)
• M20: 24,914,329 km (0.063 R)
• M21: 26,337,453 km (0.119 R)
• M22: 28,046,010 km (0.095 R)
• M23: 31,681,837 km (0.096 R)
• M24: 41,360,819 km (0.119 R)
• M25: 42,271,870 km (0.095 R)
• M26: 43,351,668 km (0.085 R)
• M27: 44,134,065 km (0.103 R)
• M28: 44,607,991 km (0.087 R)
• M29: 44,925,737 km (0.053 R)
• M30: 50,047,369 km (0.063 R)
• M31: 50,562,734 km (0.112 R)
• M32: 53,014,643 km (0.114 R)
• M33: 62,615,984 km (0.03 R)
• M34: 66,884,610 km (0.073 R)
• M35: 72,214,183 km (0.109 R)
• M36: 73,092,323 km (0.082 R)
• M37: 73,755,640 km (0.228 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: 245 - 14,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit