🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 10

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.5 AU - 0.8 AU

Year: 355 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,172,316 km

• M1: 124,316 km (0.116 R)
• M2: 472,131 km (0.103 R)
• M3: 784,192 km (0.104 R)
• M4: 1,532,181 km (0.084 R)
• M5: 2,026,902 km (0.056 R)
• M6: 2,569,942 km (0.025 R)
• M7: 3,101,463 km (0.054 R)
• M8: 3,461,545 km (0.1 R)
• M9: 3,776,748 km (0.111 R)
• M10: 4,162,411 km (0.069 R)
• M11: 4,519,651 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.51 AU - 0.81 AU

Year: 364 Days

Day: 7.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,172,316 km

• M1: 120,127 km (0.101 R)
• M2: 420,819 km (0.055 R)
• M3: 900,878 km (0.096 R)
• M4: 1,691,054 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 13.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.91 AU - 1.01 AU

Year: 638 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,172,316 km

• M1: 164,109 km (0.104 R)
• M2: 601,234 km (0.08 R)
• M3: 1,067,082 km (0.063 R)
• M4: 1,574,069 km (0.1 R)
• M5: 2,297,973 km (0.07 R)
• M6: 2,879,011 km (0.076 R)
• M7: 4,442,907 km (0.038 R)
• M8: 5,051,770 km (0.111 R)
• M9: 5,470,944 km (0.107 R)
• M10: 6,418,347 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 8.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.11 AU - 1.11 AU

Year: 793 Days

Day: 8.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 163.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,172,316 km

• M1: 100,829 km (0.088 R)
• M2: 678,576 km (0.072 R)
• M3: 1,037,461 km (0.062 R)
• M4: 1,342,641 km (0.085 R)
• M5: 1,602,044 km (0.109 R)
• M6: 2,769,057 km (0.117 R)
• M7: 3,106,250 km (0.069 R)
• M8: 3,376,873 km (0.096 R)
• M9: 4,018,199 km (0.091 R)
• M10: 4,285,381 km (0.084 R)
• M11: 4,607,614 km (0.109 R)
• M12: 4,945,855 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.5

Radius: 12

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.8 AU - 2.24 AU

Year: 1947 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,172,316 km

• M1: 149,299 km (0.086 R)
• M2: 543,788 km (0.104 R)
• M3: 986,897 km (0.103 R)
• M4: 1,641,238 km (0.068 R)
• M5: 2,084,347 km (0.037 R)
• M6: 3,290,704 km (0.093 R)
• M7: 3,903,756 km (0.066 R)
• M8: 5,442,520 km (0.068 R)
• M9: 5,961,475 km (0.114 R)
• M10: 7,250,560 km (0.071 R)
• M11: 7,772,507 km (0.1 R)
• M12: 9,157,933 km (0.095 R)
• M13: 10,504,164 km (0.077 R)
• M14: 11,003,372 km (0.063 R)
• M15: 12,085,713 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 12.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.19 AU - 3.03 AU

Year: 2860 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,172,316 km

• M1: 157,975 km (0.068 R)
• M2: 569,519 km (0.06 R)
• M3: 1,004,251 km (0.089 R)
• M4: 1,459,626 km (0.116 R)
• M5: 2,093,473 km (0.053 R)
• M6: 2,775,489 km (0.067 R)
• M7: 3,582,271 km (0.082 R)
• M8: 4,863,128 km (0.08 R)
• M9: 5,352,013 km (0.084 R)
• M10: 6,779,177 km (0.104 R)
• M11: 7,234,553 km (0.106 R)
• M12: 8,308,965 km (0.071 R)
• M13: 9,046,333 km (0.088 R)
• M14: 11,395,319 km (0.086 R)
• M15: 12,350,651 km (0.088 R)
• M16: 15,125,093 km (0.1 R)
• M17: 15,694,761 km (0.09 R)
• M18: 16,494,512 km (0.108 R)
• M19: 17,098,289 km (0.058 R)
• M20: 19,478,989 km (0.095 R)
• M21: 20,215,759 km (0.092 R)
• M22: 20,843,771 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.4

Radius: 13.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.54 AU - 4.44 AU

Year: 5406 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,172,316 km

• M1: 172,935 km (0.077 R)
• M2: 749,934 km (0.08 R)
• M3: 2,097,961 km (0.117 R)
• M4: 2,550,644 km (0.083 R)
• M5: 3,049,403 km (0.111 R)
• M6: 3,547,414 km (0.038 R)
• M7: 4,099,879 km (0.106 R)
• M8: 4,551,515 km (0.114 R)
• M9: 5,707,009 km (0.093 R)
• M10: 7,553,496 km (0.054 R)
• M11: 8,473,523 km (0.117 R)
• M12: 9,553,170 km (0.103 R)
• M13: 12,757,706 km (0.057 R)
• M14: 14,006,250 km (0.089 R)
• M15: 14,573,825 km (0.085 R)
• M16: 16,307,365 km (0.095 R)
• M17: 17,191,787 km (0.102 R)
• M18: 19,543,167 km (0.09 R)
• M19: 22,484,560 km (0.109 R)
• M20: 23,184,977 km (0.059 R)
• M21: 25,709,441 km (0.09 R)
• M22: 27,875,020 km (0.088 R)
• M23: 28,592,940 km (0.043 R)
• M24: 29,231,125 km (0.073 R)
• M25: 29,972,233 km (0.088 R)
• M26: 32,566,260 km (0.061 R)
• M27: 33,664,906 km (0.112 R)
• M28: 34,172,342 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 13,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit