🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 14.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.62 AU - 0.8 AU

Year: 406 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,273,492 km

• M1: 180,265 km (0.107 R)
• M2: 632,799 km (0.102 R)
• M3: 1,114,953 km (0.105 R)
• M4: 1,697,936 km (0.106 R)
• M5: 2,302,760 km (0.11 R)
• M6: 2,831,140 km (0.064 R)
• M7: 3,554,146 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 14.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.84 AU - 1.06 AU

Year: 628 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,273,492 km

• M1: 183,407 km (0.098 R)
• M2: 796,309 km (0.062 R)
• M3: 1,522,607 km (0.07 R)
• M4: 2,287,202 km (0.098 R)
• M5: 2,829,195 km (0.088 R)
• M6: 3,403,352 km (0.111 R)
• M7: 5,152,599 km (0.119 R)
• M8: 5,628,769 km (0.1 R)
• M9: 6,134,560 km (0.091 R)
• M10: 6,777,382 km (0.117 R)
• M11: 7,328,052 km (0.077 R)
• M12: 8,149,494 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 15

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.49 AU - 4.75 AU

Year: 5672 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,273,492 km

• M1: 187,596 km (0.107 R)
• M2: 823,686 km (0.096 R)
• M3: 2,037,523 km (0.091 R)
• M4: 2,666,432 km (0.041 R)
• M5: 5,051,471 km (0.047 R)
• M6: 5,925,871 km (0.099 R)
• M7: 6,758,832 km (0.106 R)
• M8: 10,654,809 km (0.115 R)
• M9: 12,302,181 km (0.047 R)
• M10: 14,637,703 km (0.076 R)
• M11: 15,295,335 km (0.084 R)
• M12: 22,289,784 km (0.119 R)
• M13: 27,953,709 km (0.088 R)
• M14: 29,060,583 km (0.092 R)
• M15: 31,361,847 km (0.081 R)
• M16: 32,657,814 km (0.057 R)
• M17: 33,268,023 km (0.119 R)
• M18: 34,197,325 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778

Radius: 4.8

Gravity: 33.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.38 AU - 8.22 AU

Year: 14775 Days

Day: 20.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,273,492 km

• M1: 61,036 km (0.057 R)
• M2: 413,040 km (0.094 R)
• M3: 749,934 km (0.091 R)
• M4: 3,342,914 km (0.063 R)
• M5: 3,644,503 km (0.11 R)
• M6: 4,625,716 km (0.06 R)
• M7: 5,213,037 km (0.083 R)
• M8: 9,709,351 km (0.12 R)
• M9: 12,771,619 km (0.094 R)
• M10: 16,499,448 km (0.093 R)
• M11: 20,530,064 km (0.088 R)
• M12: 21,631,403 km (0.091 R)
• M13: 25,691,190 km (0.118 R)
• M14: 29,191,780 km (0.088 R)
• M15: 38,339,690 km (0.083 R)
• M16: 42,888,962 km (0.115 R)
• M17: 63,141,820 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.4

Radius: 5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.98 AU - 9.66 AU

Year: 17766 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,273,492 km

• M1: 64,028 km (0.066 R)
• M2: 220,208 km (0.057 R)
• M3: 381,475 km (0.048 R)
• M4: 706,551 km (0.088 R)
• M5: 1,621,491 km (0.07 R)
• M6: 3,038,482 km (0.04 R)
• M7: 3,790,810 km (0.053 R)
• M8: 4,802,840 km (0.115 R)
• M9: 5,007,190 km (0.11 R)
• M10: 5,883,535 km (0.117 R)
• M11: 6,117,655 km (0.083 R)
• M12: 6,568,992 km (0.099 R)
• M13: 6,821,065 km (0.088 R)
• M14: 7,814,394 km (0.092 R)
• M15: 8,015,903 km (0.116 R)
• M16: 10,961,485 km (0.073 R)
• M17: 11,163,292 km (0.105 R)
• M18: 12,372,342 km (0.033 R)
• M19: 14,678,693 km (0.109 R)
• M20: 15,868,295 km (0.103 R)
• M21: 17,256,264 km (0.114 R)
• M22: 21,823,487 km (0.071 R)
• M23: 25,689,994 km (0.105 R)
• M24: 26,677,938 km (0.077 R)
• M25: 27,319,563 km (0.033 R)
• M26: 30,783,053 km (0.073 R)
• M27: 31,185,172 km (0.114 R)
• M28: 33,990,731 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.3

Radius: 4.8

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.79 AU - 9.97 AU

Year: 19485 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,273,492 km

• M1: 65,673 km (0.083 R)
• M2: 257,159 km (0.074 R)
• M3: 677,379 km (0.114 R)
• M4: 1,272,479 km (0.078 R)
• M5: 1,971,401 km (0.118 R)
• M6: 3,334,237 km (0.099 R)
• M7: 4,222,998 km (0.052 R)
• M8: 4,631,251 km (0.101 R)
• M9: 4,783,242 km (0.12 R)
• M10: 7,156,613 km (0.119 R)
• M11: 7,442,644 km (0.098 R)
• M12: 8,941,614 km (0.072 R)
• M13: 9,273,422 km (0.07 R)
• M14: 11,003,372 km (0.095 R)
• M15: 15,353,828 km (0.085 R)
• M16: 16,953,927 km (0.085 R)
• M17: 18,508,997 km (0.093 R)
• M18: 20,399,914 km (0.098 R)
• M19: 25,023,984 km (0.11 R)
• M20: 25,398,876 km (0.034 R)
• M21: 28,229,866 km (0.114 R)
• M22: 40,490,010 km (0.094 R)
• M23: 41,266,573 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 16,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit