🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.1

Radius: 9.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.49 AU - 0.63 AU

Year: 295 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,597,544 km

• M1: 114,592 km (0.087 R)
• M2: 669,899 km (0.12 R)
• M3: 978,220 km (0.103 R)
• M4: 1,377,796 km (0.116 R)
• M5: 1,767,499 km (0.097 R)
• M6: 2,368,134 km (0.102 R)
• M7: 2,827,699 km (0.12 R)
• M8: 3,517,495 km (0.096 R)
• M9: 3,985,138 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 8.4

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.72 AU - 1.04 AU

Year: 580 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,597,544 km

• M1: 118,631 km (0.048 R)
• M2: 676,033 km (0.113 R)
• M3: 977,323 km (0.082 R)
• M4: 1,409,362 km (0.075 R)
• M5: 1,704,967 km (0.06 R)
• M6: 2,007,454 km (0.108 R)
• M7: 2,278,974 km (0.092 R)
• M8: 2,564,855 km (0.056 R)
• M9: 3,343,213 km (0.078 R)
• M10: 3,687,737 km (0.119 R)
• M11: 4,098,234 km (0.049 R)
• M12: 4,723,852 km (0.112 R)
• M13: 5,326,283 km (0.108 R)
• M14: 5,869,772 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 12.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1 AU - 1.01 AU

Year: 703 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 31,597,544 km

• M1: 232,625 km (0.077 R)
• M2: 874,100 km (0.079 R)
• M3: 1,965,566 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.8

Radius: 12.9

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.49 AU - 1.87 AU

Year: 1531 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,597,544 km

• M1: 160,369 km (0.085 R)
• M2: 618,587 km (0.119 R)
• M3: 1,029,533 km (0.097 R)
• M4: 1,457,831 km (0.074 R)
• M5: 2,921,946 km (0.107 R)
• M6: 3,483,087 km (0.098 R)
• M7: 4,865,222 km (0.07 R)
• M8: 6,036,573 km (0.109 R)
• M9: 6,534,285 km (0.092 R)
• M10: 8,805,929 km (0.118 R)
• M11: 9,813,770 km (0.06 R)
• M12: 10,468,560 km (0.115 R)
• M13: 11,637,218 km (0.118 R)
• M14: 15,208,269 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 14

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.4 AU - 3.3 AU

Year: 3382 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,597,544 km

• M1: 174,282 km (0.083 R)
• M2: 686,953 km (0.062 R)
• M3: 1,219,372 km (0.054 R)
• M4: 1,819,858 km (0.11 R)
• M5: 2,360,206 km (0.105 R)
• M6: 2,939,449 km (0.091 R)
• M7: 3,832,398 km (0.095 R)
• M8: 4,875,245 km (0.079 R)
• M9: 5,715,087 km (0.092 R)
• M10: 8,360,277 km (0.055 R)
• M11: 8,821,487 km (0.098 R)
• M12: 9,834,115 km (0.099 R)
• M13: 11,780,234 km (0.116 R)
• M14: 13,197,075 km (0.076 R)
• M15: 14,070,428 km (0.11 R)
• M16: 17,261,949 km (0.117 R)
• M17: 17,721,065 km (0.117 R)
• M18: 19,147,929 km (0.083 R)
• M19: 20,204,090 km (0.116 R)
• M20: 21,102,874 km (0.065 R)
• M21: 23,187,520 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.9

Radius: 8.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.02 AU - 5.38 AU

Year: 7162 Days

Day: 11.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,597,544 km

• M1: 111,899 km (0.08 R)
• M2: 853,905 km (0.077 R)
• M3: 1,156,392 km (0.095 R)
• M4: 2,345,395 km (0.056 R)
• M5: 5,176,236 km (0.097 R)
• M6: 6,030,589 km (0.114 R)
• M7: 7,508,916 km (0.085 R)
• M8: 8,173,579 km (0.107 R)
• M9: 9,532,227 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.2

Radius: 6.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.52 AU - 6.92 AU

Year: 9616 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,597,544 km

• M1: 78,389 km (0.114 R)
• M2: 274,662 km (0.079 R)
• M3: 929,302 km (0.031 R)
• M4: 1,210,995 km (0.038 R)
• M5: 2,690,667 km (0.092 R)
• M6: 3,267,965 km (0.108 R)
• M7: 4,510,226 km (0.118 R)
• M8: 5,884,881 km (0.103 R)
• M9: 6,784,862 km (0.116 R)
• M10: 6,989,063 km (0.116 R)
• M11: 7,773,405 km (0.09 R)
• M12: 9,772,032 km (0.068 R)
• M13: 11,407,137 km (0.026 R)
• M14: 12,644,610 km (0.095 R)
• M15: 14,978,337 km (0.047 R)
• M16: 15,796,189 km (0.112 R)
• M17: 18,231,193 km (0.048 R)
• M18: 20,196,311 km (0.106 R)
• M19: 21,121,424 km (0.057 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: 308 - 17,621 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit