🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 12.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.72 AU - 0.88 AU

Year: 477 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,721,941 km

• M1: 156,629 km (0.087 R)
• M2: 549,623 km (0.118 R)
• M3: 1,314,516 km (0.111 R)
• M4: 2,673,912 km (0.084 R)
• M5: 3,195,411 km (0.062 R)
• M6: 4,547,626 km (0.098 R)
• M7: 6,051,084 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 10.8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.19 AU - 1.83 AU

Year: 1237 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,721,941 km

• M1: 134,339 km (0.085 R)
• M2: 524,341 km (0.104 R)
• M3: 918,381 km (0.075 R)
• M4: 1,772,735 km (0.044 R)
• M5: 2,787,158 km (0.094 R)
• M6: 3,484,882 km (0.12 R)
• M7: 4,046,772 km (0.089 R)
• M8: 4,386,509 km (0.11 R)
• M9: 5,268,538 km (0.111 R)
• M10: 6,745,966 km (0.09 R)
• M11: 7,594,037 km (0.077 R)
• M12: 8,029,965 km (0.051 R)
• M13: 8,686,101 km (0.116 R)
• M14: 10,533,036 km (0.088 R)
• M15: 12,855,992 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.1

Radius: 13.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.49 AU - 1.69 AU

Year: 1337 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,721,941 km

• M1: 168,148 km (0.027 R)
• M2: 612,005 km (0.113 R)
• M3: 1,167,911 km (0.09 R)
• M4: 1,605,784 km (0.096 R)
• M5: 2,081,654 km (0.098 R)
• M6: 2,603,153 km (0.11 R)
• M7: 3,113,132 km (0.12 R)
• M8: 3,996,058 km (0.117 R)
• M9: 4,735,221 km (0.114 R)
• M10: 5,796,170 km (0.057 R)
• M11: 6,394,711 km (0.062 R)
• M12: 7,083,310 km (0.116 R)
• M13: 7,638,318 km (0.088 R)
• M14: 8,168,044 km (0.102 R)
• M15: 8,609,357 km (0.116 R)
• M16: 9,420,028 km (0.04 R)
• M17: 10,312,828 km (0.114 R)
• M18: 10,862,002 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 14.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.87 AU - 2.59 AU

Year: 2221 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,721,941 km

• M1: 180,714 km (0.107 R)
• M2: 957,127 km (0.12 R)
• M3: 1,537,567 km (0.108 R)
• M4: 7,763,381 km (0.117 R)
• M5: 9,252,778 km (0.09 R)
• M6: 9,766,198 km (0.06 R)
• M7: 10,516,880 km (0.114 R)
• M8: 11,538,484 km (0.089 R)
• M9: 12,053,549 km (0.099 R)
• M10: 12,583,874 km (0.057 R)
• M11: 13,779,310 km (0.104 R)
• M12: 14,314,272 km (0.064 R)
• M13: 16,395,777 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.4

Radius: 7.8

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.71 AU - 7.55 AU

Year: 10121 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,721,941 km

• M1: 97,089 km (0.113 R)
• M2: 446,400 km (0.085 R)
• M3: 848,370 km (0.04 R)
• M4: 1,479,224 km (0.119 R)
• M5: 1,872,816 km (0.056 R)
• M6: 2,485,569 km (0.044 R)
• M7: 5,390,460 km (0.108 R)
• M8: 5,724,662 km (0.086 R)
• M9: 6,002,016 km (0.119 R)
• M10: 10,270,343 km (0.088 R)
• M11: 11,588,898 km (0.082 R)
• M12: 13,135,890 km (0.088 R)
• M13: 15,207,521 km (0.105 R)
• M14: 16,986,240 km (0.105 R)
• M15: 17,343,480 km (0.087 R)
• M16: 17,925,565 km (0.074 R)
• M17: 19,128,930 km (0.088 R)
• M18: 19,986,724 km (0.076 R)
• M19: 23,764,669 km (0.051 R)
• M20: 30,441,072 km (0.069 R)
• M21: 33,250,371 km (0.056 R)
• M22: 34,261,802 km (0.107 R)
• M23: 34,717,776 km (0.043 R)
• M24: 35,758,678 km (0.099 R)
• M25: 40,004,715 km (0.088 R)
• M26: 41,276,895 km (0.06 R)
• M27: 44,035,928 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958

Radius: 6.5

Gravity: 22.67 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.04 AU - 8.46 AU

Year: 15802 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,721,941 km

• M1: 81,082 km (0.066 R)
• M2: 288,873 km (0.085 R)
• M3: 725,101 km (0.116 R)
• M4: 976,276 km (0.033 R)
• M5: 1,215,782 km (0.067 R)
• M6: 2,101,551 km (0.09 R)
• M7: 3,276,044 km (0.045 R)
• M8: 7,105,450 km (0.058 R)
• M9: 7,337,476 km (0.118 R)
• M10: 8,679,369 km (0.114 R)
• M11: 9,945,266 km (0.116 R)
• M12: 10,177,293 km (0.064 R)
• M13: 10,834,327 km (0.07 R)
• M14: 11,204,432 km (0.118 R)
• M15: 11,710,821 km (0.114 R)
• M16: 12,232,468 km (0.119 R)
• M17: 16,166,892 km (0.046 R)
• M18: 17,060,291 km (0.098 R)
• M19: 17,900,732 km (0.084 R)
• M20: 20,870,100 km (0.09 R)
• M21: 24,783,730 km (0.085 R)
• M22: 28,689,281 km (0.047 R)
• M23: 29,397,627 km (0.037 R)
• M24: 31,717,441 km (0.116 R)
• M25: 39,986,464 km (0.059 R)
• M26: 43,135,499 km (0.096 R)
• M27: 45,802,829 km (0.114 R)
• M28: 50,432,285 km (0.114 R)
• M29: 52,859,809 km (0.069 R)
• M30: 55,001,752 km (0.097 R)
• M31: 55,364,227 km (0.08 R)
• M32: 55,911,007 km (0.098 R)
• M33: 66,789,316 km (0.104 R)
• M34: 70,351,091 km (0.089 R)
• M35: 70,778,193 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 13,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit