🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 13

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 18,653,195 km

• M1: 161,865 km (0.098 R)
• M2: 694,882 km (0.043 R)
• M3: 1,291,030 km (0.107 R)
• M4: 1,752,988 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 8.7

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,653,195 km

• M1: 108,608 km (0.066 R)
• M2: 507,586 km (0.064 R)
• M3: 872,754 km (0.072 R)
• M4: 1,250,339 km (0.093 R)
• M5: 1,540,858 km (0.04 R)
• M6: 1,899,893 km (0.059 R)
• M7: 2,377,260 km (0.054 R)
• M8: 3,059,875 km (0.104 R)
• M9: 3,360,417 km (0.071 R)
• M10: 3,892,686 km (0.107 R)
• M11: 4,328,016 km (0.104 R)
• M12: 4,898,732 km (0.117 R)
• M13: 5,233,532 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.7

Radius: 9.4

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,653,195 km

• M1: 117,135 km (0.096 R)
• M2: 445,054 km (0.115 R)
• M3: 834,607 km (0.066 R)
• M4: 1,234,781 km (0.077 R)
• M5: 1,591,572 km (0.093 R)
• M6: 1,929,065 km (0.075 R)
• M7: 2,596,720 km (0.093 R)
• M8: 3,088,897 km (0.073 R)
• M9: 3,919,165 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 9.6

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.73 AU - 1.09 AU

Year: 589 Days

Day: 14.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,653,195 km

• M1: 119,529 km (0.084 R)
• M2: 519,703 km (0.116 R)
• M3: 901,178 km (0.095 R)
• M4: 1,287,439 km (0.098 R)
• M5: 1,710,951 km (0.108 R)
• M6: 2,077,017 km (0.049 R)
• M7: 2,830,990 km (0.054 R)
• M8: 3,502,086 km (0.069 R)
• M9: 3,910,937 km (0.107 R)
• M10: 4,260,697 km (0.114 R)
• M11: 4,631,251 km (0.104 R)
• M12: 5,006,592 km (0.04 R)
• M13: 5,911,958 km (0.119 R)
• M14: 7,006,715 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 10.9

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.97 AU - 1.43 AU

Year: 892 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,653,195 km

• M1: 135,685 km (0.109 R)
• M2: 484,248 km (0.094 R)
• M3: 993,031 km (0.093 R)
• M4: 1,345,334 km (0.079 R)
• M5: 1,702,274 km (0.059 R)
• M6: 2,143,887 km (0.059 R)
• M7: 2,507,260 km (0.063 R)
• M8: 3,003,327 km (0.084 R)
• M9: 3,346,056 km (0.096 R)
• M10: 4,379,478 km (0.111 R)
• M11: 5,613,810 km (0.104 R)
• M12: 6,224,319 km (0.11 R)
• M13: 6,647,980 km (0.1 R)
• M14: 7,186,532 km (0.102 R)
• M15: 7,728,675 km (0.03 R)
• M16: 8,351,002 km (0.102 R)
• M17: 10,266,453 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 9.4

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.27 AU - 2.27 AU

Year: 2320 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,653,195 km

• M1: 116,836 km (0.098 R)
• M2: 429,047 km (0.078 R)
• M3: 794,963 km (0.061 R)
• M4: 1,371,812 km (0.108 R)
• M5: 1,727,556 km (0.087 R)
• M6: 2,600,011 km (0.047 R)
• M7: 3,086,204 km (0.061 R)
• M8: 3,596,183 km (0.045 R)
• M9: 4,362,573 km (0.113 R)
• M10: 4,698,121 km (0.103 R)
• M11: 5,280,506 km (0.104 R)
• M12: 5,910,013 km (0.107 R)
• M13: 6,217,138 km (0.095 R)
• M14: 7,494,704 km (0.12 R)
• M15: 7,916,271 km (0.118 R)
• M16: 8,643,017 km (0.114 R)
• M17: 9,140,579 km (0.081 R)
• M18: 9,448,153 km (0.068 R)
• M19: 9,940,330 km (0.071 R)
• M20: 10,861,853 km (0.106 R)
• M21: 11,719,048 km (0.069 R)
• M22: 12,831,757 km (0.116 R)
• M23: 14,377,103 km (0.103 R)
• M24: 15,457,948 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.3

Radius: 10.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.48 AU - 2.98 AU

Year: 3059 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,653,195 km

• M1: 132,095 km (0.089 R)
• M2: 626,965 km (0.051 R)
• M3: 1,108,520 km (0.075 R)
• M4: 2,706,076 km (0.062 R)
• M5: 3,579,877 km (0.049 R)
• M6: 4,461,158 km (0.079 R)
• M7: 6,032,983 km (0.101 R)
• M8: 8,456,319 km (0.115 R)
• M9: 10,232,195 km (0.104 R)
• M10: 11,546,412 km (0.071 R)
• M11: 11,953,618 km (0.105 R)
• M12: 13,951,348 km (0.11 R)
• M13: 15,515,394 km (0.11 R)
• M14: 16,011,610 km (0.084 R)
• M15: 16,827,516 km (0.095 R)
• M16: 17,404,366 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 16,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit