🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.4

Radius: 14.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.75 AU - 0.91 AU

Year: 488 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,886,011 km

• M1: 181,612 km (0.066 R)
• M2: 720,763 km (0.036 R)
• M3: 1,218,774 km (0.091 R)
• M4: 1,680,433 km (0.088 R)
• M5: 2,207,167 km (0.045 R)
• M6: 2,705,926 km (0.111 R)
• M7: 3,578,531 km (0.085 R)
• M8: 4,405,956 km (0.115 R)
• M9: 5,357,997 km (0.112 R)
• M10: 5,974,341 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 8.6

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.16 AU - 1.22 AU

Year: 838 Days

Day: 10.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,886,011 km

• M1: 107,710 km (0.048 R)
• M2: 409,300 km (0.047 R)
• M3: 864,676 km (0.037 R)
• M4: 1,202,468 km (0.101 R)
• M5: 2,723,579 km (0.076 R)
• M6: 3,256,446 km (0.084 R)
• M7: 4,041,835 km (0.105 R)
• M8: 5,410,656 km (0.045 R)
• M9: 5,702,072 km (0.063 R)
• M10: 6,337,564 km (0.082 R)
• M11: 8,297,595 km (0.102 R)
• M12: 8,818,046 km (0.107 R)
• M13: 9,249,936 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 12.1

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1 AU - 1.4 AU

Year: 849 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,886,011 km

• M1: 150,495 km (0.072 R)
• M2: 682,615 km (0.05 R)
• M3: 1,092,064 km (0.094 R)
• M4: 1,561,503 km (0.104 R)
• M5: 2,263,865 km (0.082 R)
• M6: 2,803,314 km (0.08 R)
• M7: 3,414,422 km (0.086 R)
• M8: 4,602,079 km (0.097 R)
• M9: 5,949,507 km (0.057 R)
• M10: 6,390,671 km (0.101 R)
• M11: 7,498,444 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 13

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.98 AU - 3.76 AU

Year: 3994 Days

Day: 7 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,886,011 km

• M1: 177,124 km (0.048 R)
• M2: 1,076,955 km (0.104 R)
• M3: 2,148,375 km (0.04 R)
• M4: 3,042,821 km (0.063 R)
• M5: 3,856,633 km (0.097 R)
• M6: 4,377,982 km (0.072 R)
• M7: 5,130,908 km (0.052 R)
• M8: 5,563,545 km (0.09 R)
• M9: 7,423,495 km (0.065 R)
• M10: 8,661,268 km (0.099 R)
• M11: 12,205,690 km (0.101 R)
• M12: 13,068,720 km (0.111 R)
• M13: 14,018,218 km (0.099 R)
• M14: 15,208,120 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 10

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.76 AU - 6.7 AU

Year: 8856 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,886,011 km

• M1: 124,615 km (0.105 R)
• M2: 522,695 km (0.09 R)
• M3: 915,389 km (0.069 R)
• M4: 1,394,551 km (0.113 R)
• M5: 1,735,784 km (0.068 R)
• M6: 2,354,222 km (0.107 R)
• M7: 2,744,672 km (0.08 R)
• M8: 3,355,331 km (0.094 R)
• M9: 3,729,625 km (0.102 R)
• M10: 4,646,659 km (0.064 R)
• M11: 5,023,347 km (0.085 R)
• M12: 5,871,268 km (0.095 R)
• M13: 6,702,733 km (0.036 R)
• M14: 7,184,737 km (0.081 R)
• M15: 9,439,326 km (0.099 R)
• M16: 9,950,652 km (0.059 R)
• M17: 12,237,405 km (0.101 R)
• M18: 13,707,653 km (0.112 R)
• M19: 14,485,412 km (0.095 R)
• M20: 16,194,269 km (0.089 R)
• M21: 20,084,262 km (0.093 R)
• M22: 21,561,242 km (0.084 R)
• M23: 22,448,656 km (0.111 R)
• M24: 23,782,770 km (0.082 R)
• M25: 25,971,986 km (0.111 R)
• M26: 26,792,081 km (0.069 R)
• M27: 28,579,776 km (0.117 R)
• M28: 35,076,063 km (0.112 R)
• M29: 38,021,795 km (0.099 R)
• M30: 39,674,402 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 14

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.8 AU - 6.8 AU

Year: 9019 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,886,011 km

• M1: 175,030 km (0.03 R)
• M2: 713,881 km (0.049 R)
• M3: 2,024,059 km (0.091 R)
• M4: 2,684,683 km (0.111 R)
• M5: 4,798,352 km (0.059 R)
• M6: 8,883,870 km (0.112 R)
• M7: 9,830,974 km (0.077 R)
• M8: 10,439,687 km (0.099 R)
• M9: 10,889,977 km (0.105 R)
• M10: 11,542,074 km (0.049 R)
• M11: 13,655,892 km (0.047 R)
• M12: 15,431,619 km (0.107 R)
• M13: 18,312,275 km (0.028 R)
• M14: 19,034,983 km (0.107 R)
• M15: 22,712,697 km (0.072 R)
• M16: 24,245,477 km (0.117 R)
• M17: 27,261,220 km (0.102 R)
• M18: 30,336,503 km (0.042 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 19,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit