🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 8.1

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.73 AU - 0.77 AU

Year: 448 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,113,014 km

• M1: 100,829 km (0.051 R)
• M2: 518,805 km (0.103 R)
• M3: 1,049,579 km (0.065 R)
• M4: 1,432,100 km (0.036 R)
• M5: 1,752,838 km (0.086 R)
• M6: 2,068,041 km (0.051 R)
• M7: 2,695,903 km (0.059 R)
• M8: 3,095,030 km (0.112 R)
• M9: 3,545,918 km (0.087 R)
• M10: 3,888,497 km (0.061 R)
• M11: 4,238,556 km (0.093 R)
• M12: 4,533,713 km (0.108 R)
• M13: 5,980,923 km (0.077 R)
• M14: 6,352,973 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 14

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.69 AU - 0.89 AU

Year: 485 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,113,014 km

• M1: 175,030 km (0.1 R)
• M2: 726,896 km (0.072 R)
• M3: 1,283,849 km (0.101 R)
• M4: 1,865,934 km (0.042 R)
• M5: 2,384,440 km (0.101 R)
• M6: 3,254,950 km (0.035 R)
• M7: 3,784,976 km (0.102 R)
• M8: 4,270,421 km (0.108 R)
• M9: 4,797,454 km (0.101 R)
• M10: 5,470,345 km (0.055 R)
• M11: 6,020,267 km (0.089 R)
• M12: 6,490,453 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 12.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.12 AU

Year: 629 Days

Day: 13.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,113,014 km

• M1: 159,172 km (0.081 R)
• M2: 581,038 km (0.054 R)
• M3: 997,818 km (0.084 R)
• M4: 1,680,582 km (0.115 R)
• M5: 2,582,209 km (0.104 R)
• M6: 3,180,750 km (0.115 R)
• M7: 3,812,801 km (0.097 R)
• M8: 4,495,266 km (0.082 R)
• M9: 4,977,271 km (0.091 R)
• M10: 5,384,027 km (0.087 R)
• M11: 6,065,595 km (0.117 R)
• M12: 6,868,038 km (0.106 R)
• M13: 7,441,596 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 13.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.82 AU - 4.54 AU

Year: 5899 Days

Day: 13.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,113,014 km

• M1: 170,392 km (0.096 R)
• M2: 888,312 km (0.101 R)
• M3: 2,193,254 km (0.115 R)
• M4: 2,700,990 km (0.097 R)
• M5: 3,656,770 km (0.089 R)
• M6: 4,127,256 km (0.071 R)
• M7: 6,168,967 km (0.063 R)
• M8: 9,578,901 km (0.066 R)
• M9: 13,580,345 km (0.117 R)
• M10: 15,250,007 km (0.096 R)
• M11: 16,165,396 km (0.072 R)
• M12: 16,605,064 km (0.12 R)
• M13: 17,442,813 km (0.1 R)
• M14: 18,106,129 km (0.116 R)
• M15: 24,443,394 km (0.045 R)
• M16: 26,905,775 km (0.074 R)
• M17: 27,881,602 km (0.055 R)
• M18: 31,727,913 km (0.118 R)
• M19: 33,017,896 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.9

Radius: 5.5

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.74 AU - 7.26 AU

Year: 12784 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,113,014 km

• M1: 70,760 km (0.091 R)
• M2: 243,097 km (0.034 R)
• M3: 478,564 km (0.073 R)
• M4: 654,341 km (0.117 R)
• M5: 1,439,431 km (0.114 R)
• M6: 1,649,616 km (0.057 R)
• M7: 2,746,019 km (0.036 R)
• M8: 3,519,888 km (0.069 R)
• M9: 4,546,728 km (0.112 R)
• M10: 5,690,703 km (0.105 R)
• M11: 7,917,617 km (0.061 R)
• M12: 10,052,229 km (0.093 R)
• M13: 10,982,728 km (0.097 R)
• M14: 12,835,647 km (0.105 R)
• M15: 14,117,551 km (0.117 R)
• M16: 14,822,007 km (0.086 R)
• M17: 16,162,404 km (0.117 R)
• M18: 19,784,318 km (0.087 R)
• M19: 20,503,585 km (0.102 R)
• M20: 22,939,936 km (0.107 R)
• M21: 24,363,509 km (0.102 R)
• M22: 26,703,968 km (0.113 R)
• M23: 29,705,350 km (0.066 R)
• M24: 32,702,543 km (0.114 R)
• M25: 34,962,818 km (0.111 R)
• M26: 35,777,976 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 7.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.21 AU - 10.61 AU

Year: 18358 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,113,014 km

• M1: 103,671 km (0.117 R)
• M2: 338,540 km (0.12 R)
• M3: 740,809 km (0.119 R)
• M4: 1,360,443 km (0.098 R)
• M5: 2,377,409 km (0.079 R)
• M6: 2,774,143 km (0.112 R)
• M7: 3,237,747 km (0.112 R)
• M8: 4,206,543 km (0.062 R)
• M9: 5,656,894 km (0.104 R)
• M10: 6,218,933 km (0.103 R)
• M11: 7,871,541 km (0.045 R)
• M12: 8,304,477 km (0.064 R)
• M13: 9,995,831 km (0.116 R)
• M14: 12,417,371 km (0.09 R)
• M15: 12,708,489 km (0.088 R)
• M16: 13,609,517 km (0.072 R)
• M17: 15,337,372 km (0.077 R)
• M18: 16,637,677 km (0.08 R)
• M19: 21,894,247 km (0.067 R)
• M20: 30,629,865 km (0.088 R)
• M21: 30,948,359 km (0.112 R)
• M22: 39,271,535 km (0.049 R)
• M23: 45,302,873 km (0.063 R)
• M24: 46,831,464 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit